./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96878197f4120fe0a946400d7cd6a9f9a0d5774764bf69134c6af6a4800daf81 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:46:41,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:46:41,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:46:41,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:46:41,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:46:41,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:46:41,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:46:41,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:46:41,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:46:41,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:46:41,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:46:41,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:46:41,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:46:41,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:46:41,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:46:41,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:46:41,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:46:41,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:46:41,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:46:41,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:46:41,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:46:41,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:46:41,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:46:41,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:46:41,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:46:41,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:46:41,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:46:41,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:46:41,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:46:41,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:46:41,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:46:41,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:46:41,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:46:41,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:46:41,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:46:41,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:46:41,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:46:41,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:46:41,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:46:41,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:46:41,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:46:41,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:46:41,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:46:41,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:46:41,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:46:41,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:46:41,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:46:41,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:46:41,795 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:46:41,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:46:41,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:46:41,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:46:41,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:46:41,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:46:41,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:46:41,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:46:41,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:46:41,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:46:41,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:46:41,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:46:41,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:46:41,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:46:41,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:46:41,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:46:41,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:46:41,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:46:41,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:46:41,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:46:41,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:46:41,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:46:41,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:46:41,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:46:41,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:46:41,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:46:41,805 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_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96878197f4120fe0a946400d7cd6a9f9a0d5774764bf69134c6af6a4800daf81 [2021-10-21 19:46:42,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:46:42,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:46:42,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:46:42,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:46:42,153 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:46:42,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2021-10-21 19:46:42,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/data/4aab5531b/a717b5e1e8814a4dbb7c23eddc166c1c/FLAG36fbdaf97 [2021-10-21 19:46:43,001 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:46:43,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2021-10-21 19:46:43,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/data/4aab5531b/a717b5e1e8814a4dbb7c23eddc166c1c/FLAG36fbdaf97 [2021-10-21 19:46:43,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/data/4aab5531b/a717b5e1e8814a4dbb7c23eddc166c1c [2021-10-21 19:46:43,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:46:43,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:46:43,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:43,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:46:43,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:46:43,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:43" (1/1) ... [2021-10-21 19:46:43,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b46f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:43, skipping insertion in model container [2021-10-21 19:46:43,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:43" (1/1) ... [2021-10-21 19:46:43,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:46:43,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:46:43,498 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_ce101a2c-9efe-4661-890a-057e13bef0e5/sv-benchmarks/c/eca-rers2012/Problem16_label40.c[6583,6596] [2021-10-21 19:46:43,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:43,948 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:46:44,003 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_ce101a2c-9efe-4661-890a-057e13bef0e5/sv-benchmarks/c/eca-rers2012/Problem16_label40.c[6583,6596] [2021-10-21 19:46:44,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:44,340 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:46:44,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44 WrapperNode [2021-10-21 19:46:44,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:44,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:46:44,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:46:44,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:46:44,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:46:44,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:46:44,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:46:44,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:46:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:46:44,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:46:44,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:46:44,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:46:44,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (1/1) ... [2021-10-21 19:46:44,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:46:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:44,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:46:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:46:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:46:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:46:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:46:47,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:46:47,695 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 19:46:47,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:47 BoogieIcfgContainer [2021-10-21 19:46:47,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:46:47,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:46:47,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:46:47,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:46:47,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:46:43" (1/3) ... [2021-10-21 19:46:47,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8b3f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:46:47, skipping insertion in model container [2021-10-21 19:46:47,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:44" (2/3) ... [2021-10-21 19:46:47,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8b3f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:46:47, skipping insertion in model container [2021-10-21 19:46:47,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:47" (3/3) ... [2021-10-21 19:46:47,713 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label40.c [2021-10-21 19:46:47,720 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:46:47,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:46:47,797 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:46:47,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:46:47,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:46:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-21 19:46:47,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:47,864 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:47,864 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:47,874 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-10-21 19:46:47,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:47,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463471449] [2021-10-21 19:46:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:47,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:48,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:48,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463471449] [2021-10-21 19:46:48,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463471449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:48,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:48,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:48,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306213156] [2021-10-21 19:46:48,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:48,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:48,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:48,323 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:50,586 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-10-21 19:46:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:50,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-10-21 19:46:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:50,608 INFO L225 Difference]: With dead ends: 1122 [2021-10-21 19:46:50,609 INFO L226 Difference]: Without dead ends: 662 [2021-10-21 19:46:50,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-21 19:46:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-21 19:46:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.5824508320726172) internal successors, (1046), 661 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2021-10-21 19:46:50,708 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 63 [2021-10-21 19:46:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:50,709 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2021-10-21 19:46:50,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2021-10-21 19:46:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-21 19:46:50,718 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:50,718 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:50,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:46:50,719 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:50,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:50,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1825534533, now seen corresponding path program 1 times [2021-10-21 19:46:50,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:50,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177789400] [2021-10-21 19:46:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:50,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:50,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:50,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177789400] [2021-10-21 19:46:50,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177789400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:50,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:50,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:50,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61459434] [2021-10-21 19:46:50,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:50,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:50,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:50,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:50,984 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:52,593 INFO L93 Difference]: Finished difference Result 1651 states and 2539 transitions. [2021-10-21 19:46:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2021-10-21 19:46:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:52,600 INFO L225 Difference]: With dead ends: 1651 [2021-10-21 19:46:52,601 INFO L226 Difference]: Without dead ends: 991 [2021-10-21 19:46:52,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-10-21 19:46:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-10-21 19:46:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.3767676767676769) internal successors, (1363), 990 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1363 transitions. [2021-10-21 19:46:52,647 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1363 transitions. Word has length 134 [2021-10-21 19:46:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:52,648 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1363 transitions. [2021-10-21 19:46:52,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1363 transitions. [2021-10-21 19:46:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-21 19:46:52,654 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:52,655 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:52,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:46:52,656 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:52,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash -642916736, now seen corresponding path program 1 times [2021-10-21 19:46:52,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:52,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099906325] [2021-10-21 19:46:52,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:52,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:52,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:52,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099906325] [2021-10-21 19:46:52,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099906325] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:52,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:52,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:52,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246855235] [2021-10-21 19:46:52,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:52,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:52,734 INFO L87 Difference]: Start difference. First operand 991 states and 1363 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:54,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:54,261 INFO L93 Difference]: Finished difference Result 2967 states and 4084 transitions. [2021-10-21 19:46:54,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:54,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-10-21 19:46:54,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:54,274 INFO L225 Difference]: With dead ends: 2967 [2021-10-21 19:46:54,275 INFO L226 Difference]: Without dead ends: 1978 [2021-10-21 19:46:54,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:54,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-10-21 19:46:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-10-21 19:46:54,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.2468386444107233) internal successors, (2465), 1977 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2465 transitions. [2021-10-21 19:46:54,339 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2465 transitions. Word has length 135 [2021-10-21 19:46:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:54,340 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2465 transitions. [2021-10-21 19:46:54,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2465 transitions. [2021-10-21 19:46:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-21 19:46:54,345 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:54,346 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:54,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:46:54,346 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash -2022847261, now seen corresponding path program 1 times [2021-10-21 19:46:54,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:54,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061482778] [2021-10-21 19:46:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:54,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:54,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:54,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061482778] [2021-10-21 19:46:54,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061482778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:54,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:54,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:46:54,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218525051] [2021-10-21 19:46:54,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:54,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:54,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:54,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:54,446 INFO L87 Difference]: Start difference. First operand 1978 states and 2465 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:56,027 INFO L93 Difference]: Finished difference Result 4612 states and 5852 transitions. [2021-10-21 19:46:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:56,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2021-10-21 19:46:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:56,046 INFO L225 Difference]: With dead ends: 4612 [2021-10-21 19:46:56,047 INFO L226 Difference]: Without dead ends: 2636 [2021-10-21 19:46:56,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:56,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-10-21 19:46:56,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-10-21 19:46:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.21707779886148) internal successors, (3207), 2635 states have internal predecessors, (3207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3207 transitions. [2021-10-21 19:46:56,123 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3207 transitions. Word has length 150 [2021-10-21 19:46:56,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:56,125 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3207 transitions. [2021-10-21 19:46:56,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3207 transitions. [2021-10-21 19:46:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-21 19:46:56,135 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:56,135 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:56,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:46:56,136 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:56,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:56,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1269062465, now seen corresponding path program 1 times [2021-10-21 19:46:56,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:56,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769506266] [2021-10-21 19:46:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:56,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-10-21 19:46:56,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:56,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769506266] [2021-10-21 19:46:56,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769506266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:56,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:56,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:56,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696878675] [2021-10-21 19:46:56,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:56,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:56,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:56,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:56,395 INFO L87 Difference]: Start difference. First operand 2636 states and 3207 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:58,086 INFO L93 Difference]: Finished difference Result 6586 states and 8078 transitions. [2021-10-21 19:46:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2021-10-21 19:46:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:58,108 INFO L225 Difference]: With dead ends: 6586 [2021-10-21 19:46:58,108 INFO L226 Difference]: Without dead ends: 3294 [2021-10-21 19:46:58,112 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-21 19:46:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-10-21 19:46:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.0652900091102337) internal successors, (3508), 3293 states have internal predecessors, (3508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:58,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3508 transitions. [2021-10-21 19:46:58,195 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3508 transitions. Word has length 335 [2021-10-21 19:46:58,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:46:58,196 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 3508 transitions. [2021-10-21 19:46:58,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3508 transitions. [2021-10-21 19:46:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2021-10-21 19:46:58,211 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:46:58,211 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:58,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:46:58,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:46:58,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash 315077949, now seen corresponding path program 1 times [2021-10-21 19:46:58,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:58,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081730116] [2021-10-21 19:46:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:58,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-10-21 19:46:58,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:58,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081730116] [2021-10-21 19:46:58,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081730116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:58,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:58,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:58,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165736660] [2021-10-21 19:46:58,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:46:58,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:58,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:46:58,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:58,446 INFO L87 Difference]: Start difference. First operand 3294 states and 3508 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:59,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:59,881 INFO L93 Difference]: Finished difference Result 9549 states and 10185 transitions. [2021-10-21 19:46:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:46:59,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 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 501 [2021-10-21 19:46:59,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:46:59,924 INFO L225 Difference]: With dead ends: 9549 [2021-10-21 19:46:59,925 INFO L226 Difference]: Without dead ends: 6257 [2021-10-21 19:46:59,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:46:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2021-10-21 19:47:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6255. [2021-10-21 19:47:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0606012152222577) internal successors, (6633), 6254 states have internal predecessors, (6633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6633 transitions. [2021-10-21 19:47:00,113 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6633 transitions. Word has length 501 [2021-10-21 19:47:00,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:00,114 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6633 transitions. [2021-10-21 19:47:00,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6633 transitions. [2021-10-21 19:47:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-10-21 19:47:00,133 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:00,133 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:00,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:47:00,134 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:00,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1452955206, now seen corresponding path program 1 times [2021-10-21 19:47:00,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:00,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3880733] [2021-10-21 19:47:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:00,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-21 19:47:00,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:00,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3880733] [2021-10-21 19:47:00,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3880733] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:00,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:00,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:00,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298919810] [2021-10-21 19:47:00,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:47:00,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:47:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:00,469 INFO L87 Difference]: Start difference. First operand 6255 states and 6633 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:02,179 INFO L93 Difference]: Finished difference Result 12232 states and 12985 transitions. [2021-10-21 19:47:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:47:02,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 525 [2021-10-21 19:47:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:02,217 INFO L225 Difference]: With dead ends: 12232 [2021-10-21 19:47:02,217 INFO L226 Difference]: Without dead ends: 6308 [2021-10-21 19:47:02,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:47:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2021-10-21 19:47:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 6255. [2021-10-21 19:47:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0604413175567637) internal successors, (6632), 6254 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6632 transitions. [2021-10-21 19:47:02,395 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6632 transitions. Word has length 525 [2021-10-21 19:47:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:02,396 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6632 transitions. [2021-10-21 19:47:02,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6632 transitions. [2021-10-21 19:47:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2021-10-21 19:47:02,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:02,408 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:02,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:47:02,409 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:02,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:02,410 INFO L82 PathProgramCache]: Analyzing trace with hash 590277590, now seen corresponding path program 1 times [2021-10-21 19:47:02,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:02,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849737384] [2021-10-21 19:47:02,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:02,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 677 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-21 19:47:02,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:02,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849737384] [2021-10-21 19:47:02,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849737384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:02,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:02,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:02,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31623533] [2021-10-21 19:47:02,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:47:02,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:47:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:02,827 INFO L87 Difference]: Start difference. First operand 6255 states and 6632 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:05,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:05,007 INFO L93 Difference]: Finished difference Result 16787 states and 17899 transitions. [2021-10-21 19:47:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:47:05,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 640 [2021-10-21 19:47:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:05,073 INFO L225 Difference]: With dead ends: 16787 [2021-10-21 19:47:05,073 INFO L226 Difference]: Without dead ends: 10863 [2021-10-21 19:47:05,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:05,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10863 states. [2021-10-21 19:47:05,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10863 to 10861. [2021-10-21 19:47:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0566298342541436) internal successors, (11475), 10860 states have internal predecessors, (11475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11475 transitions. [2021-10-21 19:47:05,314 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11475 transitions. Word has length 640 [2021-10-21 19:47:05,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:05,317 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11475 transitions. [2021-10-21 19:47:05,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11475 transitions. [2021-10-21 19:47:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2021-10-21 19:47:05,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:05,369 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:05,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:47:05,370 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:05,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:05,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2097525557, now seen corresponding path program 1 times [2021-10-21 19:47:05,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:05,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748786688] [2021-10-21 19:47:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:05,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 1026 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-10-21 19:47:05,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:05,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748786688] [2021-10-21 19:47:05,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748786688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:05,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:05,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:05,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346524073] [2021-10-21 19:47:05,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:05,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:05,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:05,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:05,693 INFO L87 Difference]: Start difference. First operand 10861 states and 11475 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:06,984 INFO L93 Difference]: Finished difference Result 25339 states and 26946 transitions. [2021-10-21 19:47:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:06,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 744 [2021-10-21 19:47:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:07,017 INFO L225 Difference]: With dead ends: 25339 [2021-10-21 19:47:07,017 INFO L226 Difference]: Without dead ends: 15138 [2021-10-21 19:47:07,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-10-21 19:47:07,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 15138. [2021-10-21 19:47:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0602497192310234) internal successors, (16049), 15137 states have internal predecessors, (16049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 16049 transitions. [2021-10-21 19:47:07,364 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 16049 transitions. Word has length 744 [2021-10-21 19:47:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:07,365 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 16049 transitions. [2021-10-21 19:47:07,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 16049 transitions. [2021-10-21 19:47:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2021-10-21 19:47:07,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:07,391 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:07,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:47:07,391 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:07,392 INFO L82 PathProgramCache]: Analyzing trace with hash 562264227, now seen corresponding path program 1 times [2021-10-21 19:47:07,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:07,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542610323] [2021-10-21 19:47:07,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:07,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 1363 proven. 0 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2021-10-21 19:47:07,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:07,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542610323] [2021-10-21 19:47:07,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542610323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:07,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:07,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:07,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871615431] [2021-10-21 19:47:07,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:47:07,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:07,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:47:07,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:07,956 INFO L87 Difference]: Start difference. First operand 15138 states and 16049 transitions. Second operand has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:09,654 INFO L93 Difference]: Finished difference Result 29616 states and 31429 transitions. [2021-10-21 19:47:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 1001 [2021-10-21 19:47:09,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:09,684 INFO L225 Difference]: With dead ends: 29616 [2021-10-21 19:47:09,685 INFO L226 Difference]: Without dead ends: 15138 [2021-10-21 19:47:09,698 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-10-21 19:47:09,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 15138. [2021-10-21 19:47:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0600515293651318) internal successors, (16046), 15137 states have internal predecessors, (16046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 16046 transitions. [2021-10-21 19:47:09,972 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 16046 transitions. Word has length 1001 [2021-10-21 19:47:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:09,974 INFO L470 AbstractCegarLoop]: Abstraction has 15138 states and 16046 transitions. [2021-10-21 19:47:09,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 16046 transitions. [2021-10-21 19:47:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2021-10-21 19:47:09,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:10,000 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:47:10,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:47:10,001 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:10,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:10,002 INFO L82 PathProgramCache]: Analyzing trace with hash 42976725, now seen corresponding path program 1 times [2021-10-21 19:47:10,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:10,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482115206] [2021-10-21 19:47:10,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:10,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 1765 proven. 0 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2021-10-21 19:47:10,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:10,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482115206] [2021-10-21 19:47:10,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482115206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:10,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:10,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:10,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045187261] [2021-10-21 19:47:10,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:10,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:10,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:10,585 INFO L87 Difference]: Start difference. First operand 15138 states and 16046 transitions. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:11,941 INFO L93 Difference]: Finished difference Result 32577 states and 34648 transitions. [2021-10-21 19:47:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:11,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 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 1062 [2021-10-21 19:47:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:12,050 INFO L225 Difference]: With dead ends: 32577 [2021-10-21 19:47:12,050 INFO L226 Difference]: Without dead ends: 18099 [2021-10-21 19:47:12,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:12,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-10-21 19:47:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 17112. [2021-10-21 19:47:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0495587633685932) internal successors, (17959), 17111 states have internal predecessors, (17959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17959 transitions. [2021-10-21 19:47:12,331 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17959 transitions. Word has length 1062 [2021-10-21 19:47:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:12,333 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17959 transitions. [2021-10-21 19:47:12,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17959 transitions. [2021-10-21 19:47:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1064 [2021-10-21 19:47:12,364 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:12,365 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:47:12,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:47:12,366 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:12,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash 631652222, now seen corresponding path program 1 times [2021-10-21 19:47:12,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147036269] [2021-10-21 19:47:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 1537 proven. 0 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2021-10-21 19:47:12,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:12,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147036269] [2021-10-21 19:47:12,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147036269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:12,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:12,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:12,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849920699] [2021-10-21 19:47:12,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:12,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:12,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:12,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:12,926 INFO L87 Difference]: Start difference. First operand 17112 states and 17959 transitions. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:14,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:14,200 INFO L93 Difference]: Finished difference Result 34880 states and 36646 transitions. [2021-10-21 19:47:14,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:14,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 1063 [2021-10-21 19:47:14,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:14,305 INFO L225 Difference]: With dead ends: 34880 [2021-10-21 19:47:14,306 INFO L226 Difference]: Without dead ends: 18428 [2021-10-21 19:47:14,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-10-21 19:47:14,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 17441. [2021-10-21 19:47:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0426032110091743) internal successors, (18183), 17440 states have internal predecessors, (18183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18183 transitions. [2021-10-21 19:47:14,555 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18183 transitions. Word has length 1063 [2021-10-21 19:47:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:14,558 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18183 transitions. [2021-10-21 19:47:14,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18183 transitions. [2021-10-21 19:47:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2021-10-21 19:47:14,585 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:14,586 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:14,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:47:14,586 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:14,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1537193509, now seen corresponding path program 1 times [2021-10-21 19:47:14,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:14,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827947931] [2021-10-21 19:47:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:14,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2759 backedges. 1867 proven. 0 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2021-10-21 19:47:15,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:15,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827947931] [2021-10-21 19:47:15,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827947931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:15,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:15,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:15,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296830570] [2021-10-21 19:47:15,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:15,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:15,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:15,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:15,127 INFO L87 Difference]: Start difference. First operand 17441 states and 18183 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:16,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:16,348 INFO L93 Difference]: Finished difference Result 34222 states and 35700 transitions. [2021-10-21 19:47:16,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1092 [2021-10-21 19:47:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:16,387 INFO L225 Difference]: With dead ends: 34222 [2021-10-21 19:47:16,387 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 19:47:16,400 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 19:47:16,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16783. [2021-10-21 19:47:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0323560958169467) internal successors, (17325), 16782 states have internal predecessors, (17325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17325 transitions. [2021-10-21 19:47:16,756 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17325 transitions. Word has length 1092 [2021-10-21 19:47:16,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:16,757 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17325 transitions. [2021-10-21 19:47:16,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17325 transitions. [2021-10-21 19:47:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1103 [2021-10-21 19:47:16,783 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:16,786 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:16,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:47:16,786 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:16,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:16,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1317814701, now seen corresponding path program 1 times [2021-10-21 19:47:16,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:16,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091425922] [2021-10-21 19:47:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:16,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2021-10-21 19:47:17,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:17,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091425922] [2021-10-21 19:47:17,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091425922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:17,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:17,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:17,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772284828] [2021-10-21 19:47:17,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:17,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:17,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:17,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:17,328 INFO L87 Difference]: Start difference. First operand 16783 states and 17325 transitions. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:18,459 INFO L93 Difference]: Finished difference Result 32906 states and 33984 transitions. [2021-10-21 19:47:18,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 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 1102 [2021-10-21 19:47:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:18,486 INFO L225 Difference]: With dead ends: 32906 [2021-10-21 19:47:18,486 INFO L226 Difference]: Without dead ends: 16783 [2021-10-21 19:47:18,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:18,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-21 19:47:18,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2021-10-21 19:47:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0285662189266396) internal successors, (16923), 16453 states have internal predecessors, (16923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16923 transitions. [2021-10-21 19:47:18,727 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16923 transitions. Word has length 1102 [2021-10-21 19:47:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:18,729 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16923 transitions. [2021-10-21 19:47:18,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16923 transitions. [2021-10-21 19:47:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1240 [2021-10-21 19:47:18,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:18,763 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:47:18,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:47:18,763 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:18,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:18,764 INFO L82 PathProgramCache]: Analyzing trace with hash -539911983, now seen corresponding path program 1 times [2021-10-21 19:47:18,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:18,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390298731] [2021-10-21 19:47:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:18,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3372 backedges. 960 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-10-21 19:47:19,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:19,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390298731] [2021-10-21 19:47:19,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390298731] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:19,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:19,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:19,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742315035] [2021-10-21 19:47:19,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:19,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:19,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:19,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:19,534 INFO L87 Difference]: Start difference. First operand 16454 states and 16923 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:20,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:20,747 INFO L93 Difference]: Finished difference Result 35538 states and 36640 transitions. [2021-10-21 19:47:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:20,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 1239 [2021-10-21 19:47:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:20,779 INFO L225 Difference]: With dead ends: 35538 [2021-10-21 19:47:20,780 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 19:47:20,794 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:20,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 19:47:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 15467. [2021-10-21 19:47:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.027350316824001) internal successors, (15889), 15466 states have internal predecessors, (15889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15889 transitions. [2021-10-21 19:47:21,085 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15889 transitions. Word has length 1239 [2021-10-21 19:47:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:21,087 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15889 transitions. [2021-10-21 19:47:21,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15889 transitions. [2021-10-21 19:47:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1382 [2021-10-21 19:47:21,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:21,116 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:21,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:47:21,117 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:21,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:21,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1797629218, now seen corresponding path program 1 times [2021-10-21 19:47:21,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:21,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562517271] [2021-10-21 19:47:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:21,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3523 backedges. 1720 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-10-21 19:47:21,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:21,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562517271] [2021-10-21 19:47:21,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562517271] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:21,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:21,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:21,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387512175] [2021-10-21 19:47:21,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:21,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:21,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:21,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:21,947 INFO L87 Difference]: Start difference. First operand 15467 states and 15889 transitions. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:23,113 INFO L93 Difference]: Finished difference Result 30603 states and 31445 transitions. [2021-10-21 19:47:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:23,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 1381 [2021-10-21 19:47:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:23,133 INFO L225 Difference]: With dead ends: 30603 [2021-10-21 19:47:23,134 INFO L226 Difference]: Without dead ends: 15467 [2021-10-21 19:47:23,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-10-21 19:47:23,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 13822. [2021-10-21 19:47:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.020765501772665) internal successors, (14108), 13821 states have internal predecessors, (14108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14108 transitions. [2021-10-21 19:47:23,348 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14108 transitions. Word has length 1381 [2021-10-21 19:47:23,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:23,350 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14108 transitions. [2021-10-21 19:47:23,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14108 transitions. [2021-10-21 19:47:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1669 [2021-10-21 19:47:23,391 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:23,392 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:23,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:47:23,393 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:23,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:23,394 INFO L82 PathProgramCache]: Analyzing trace with hash 159980387, now seen corresponding path program 1 times [2021-10-21 19:47:23,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:23,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85124880] [2021-10-21 19:47:23,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:23,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5388 backedges. 3633 proven. 0 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2021-10-21 19:47:24,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:24,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85124880] [2021-10-21 19:47:24,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85124880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:24,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:24,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:24,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571733538] [2021-10-21 19:47:24,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:24,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:24,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:24,438 INFO L87 Difference]: Start difference. First operand 13822 states and 14108 transitions. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:25,419 INFO L93 Difference]: Finished difference Result 26984 states and 27552 transitions. [2021-10-21 19:47:25,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:25,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 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 1668 [2021-10-21 19:47:25,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:25,431 INFO L225 Difference]: With dead ends: 26984 [2021-10-21 19:47:25,431 INFO L226 Difference]: Without dead ends: 13822 [2021-10-21 19:47:25,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-10-21 19:47:25,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-10-21 19:47:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0206207944432386) internal successors, (14106), 13821 states have internal predecessors, (14106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14106 transitions. [2021-10-21 19:47:25,601 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14106 transitions. Word has length 1668 [2021-10-21 19:47:25,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:25,602 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14106 transitions. [2021-10-21 19:47:25,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14106 transitions. [2021-10-21 19:47:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1859 [2021-10-21 19:47:25,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:25,634 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:25,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:47:25,634 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:25,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:25,635 INFO L82 PathProgramCache]: Analyzing trace with hash 422134771, now seen corresponding path program 1 times [2021-10-21 19:47:25,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:25,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085016797] [2021-10-21 19:47:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:25,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7753 backedges. 4752 proven. 0 refuted. 0 times theorem prover too weak. 3001 trivial. 0 not checked. [2021-10-21 19:47:26,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:26,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085016797] [2021-10-21 19:47:26,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085016797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:26,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:26,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:26,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149142422] [2021-10-21 19:47:26,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:26,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:26,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:26,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:26,717 INFO L87 Difference]: Start difference. First operand 13822 states and 14106 transitions. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:27,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:27,631 INFO L93 Difference]: Finished difference Result 27642 states and 28217 transitions. [2021-10-21 19:47:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:27,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 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 1858 [2021-10-21 19:47:27,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:27,642 INFO L225 Difference]: With dead ends: 27642 [2021-10-21 19:47:27,642 INFO L226 Difference]: Without dead ends: 14480 [2021-10-21 19:47:27,649 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-10-21 19:47:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2021-10-21 19:47:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0200290075281442) internal successors, (14769), 14479 states have internal predecessors, (14769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14769 transitions. [2021-10-21 19:47:27,810 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14769 transitions. Word has length 1858 [2021-10-21 19:47:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:27,812 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14769 transitions. [2021-10-21 19:47:27,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14769 transitions. [2021-10-21 19:47:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1882 [2021-10-21 19:47:27,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:27,876 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-21 19:47:27,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:47:27,877 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 25601572, now seen corresponding path program 1 times [2021-10-21 19:47:27,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:27,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119485814] [2021-10-21 19:47:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:27,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7515 backedges. 4540 proven. 156 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2021-10-21 19:47:29,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:29,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119485814] [2021-10-21 19:47:29,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119485814] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:47:29,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759431543] [2021-10-21 19:47:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:29,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:29,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:47:29,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:47:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:29,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:47:29,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7515 backedges. 4579 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2021-10-21 19:47:35,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759431543] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:35,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:47:35,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 19:47:35,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255088114] [2021-10-21 19:47:35,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:35,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:35,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:35,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:47:35,358 INFO L87 Difference]: Start difference. First operand 14480 states and 14769 transitions. Second operand has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:36,314 INFO L93 Difference]: Finished difference Result 28300 states and 28874 transitions. [2021-10-21 19:47:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:36,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 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 1881 [2021-10-21 19:47:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:36,328 INFO L225 Difference]: With dead ends: 28300 [2021-10-21 19:47:36,328 INFO L226 Difference]: Without dead ends: 14480 [2021-10-21 19:47:36,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1888 GetRequests, 1884 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.1ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:47:36,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-10-21 19:47:36,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2021-10-21 19:47:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0197527453553423) internal successors, (14765), 14479 states have internal predecessors, (14765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14765 transitions. [2021-10-21 19:47:36,606 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14765 transitions. Word has length 1881 [2021-10-21 19:47:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:36,607 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14765 transitions. [2021-10-21 19:47:36,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14765 transitions. [2021-10-21 19:47:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1903 [2021-10-21 19:47:36,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:36,646 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:47:36,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-21 19:47:36,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:36,873 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:36,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1650612644, now seen corresponding path program 1 times [2021-10-21 19:47:36,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:36,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341112462] [2021-10-21 19:47:36,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:36,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 3609 proven. 0 refuted. 0 times theorem prover too weak. 3681 trivial. 0 not checked. [2021-10-21 19:47:37,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:37,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341112462] [2021-10-21 19:47:37,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341112462] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:37,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:37,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:37,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159841350] [2021-10-21 19:47:37,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:37,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:37,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:37,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:37,783 INFO L87 Difference]: Start difference. First operand 14480 states and 14765 transitions. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:39,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:39,111 INFO L93 Difference]: Finished difference Result 31590 states and 32208 transitions. [2021-10-21 19:47:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:39,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 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 1902 [2021-10-21 19:47:39,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:39,132 INFO L225 Difference]: With dead ends: 31590 [2021-10-21 19:47:39,132 INFO L226 Difference]: Without dead ends: 17770 [2021-10-21 19:47:39,140 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:47:39,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-21 19:47:39,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 15467. [2021-10-21 19:47:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0190740980214665) internal successors, (15761), 15466 states have internal predecessors, (15761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15761 transitions. [2021-10-21 19:47:39,346 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15761 transitions. Word has length 1902 [2021-10-21 19:47:39,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:39,348 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15761 transitions. [2021-10-21 19:47:39,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15761 transitions. [2021-10-21 19:47:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1944 [2021-10-21 19:47:39,385 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:39,386 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-10-21 19:47:39,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:47:39,386 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:39,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:39,387 INFO L82 PathProgramCache]: Analyzing trace with hash -865864904, now seen corresponding path program 1 times [2021-10-21 19:47:39,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:39,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797990661] [2021-10-21 19:47:39,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:39,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8108 backedges. 5736 proven. 140 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2021-10-21 19:47:41,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:41,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797990661] [2021-10-21 19:47:41,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797990661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:47:41,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323957759] [2021-10-21 19:47:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:41,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:41,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:41,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:47:41,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:47:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:42,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:47:42,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8108 backedges. 4874 proven. 0 refuted. 0 times theorem prover too weak. 3234 trivial. 0 not checked. [2021-10-21 19:47:47,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323957759] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:47,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:47:47,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 19:47:47,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149131422] [2021-10-21 19:47:47,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:47,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:47,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:47,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:47:47,234 INFO L87 Difference]: Start difference. First operand 15467 states and 15761 transitions. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:48,517 INFO L93 Difference]: Finished difference Result 32248 states and 32864 transitions. [2021-10-21 19:47:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:48,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 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 1943 [2021-10-21 19:47:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:48,536 INFO L225 Difference]: With dead ends: 32248 [2021-10-21 19:47:48,536 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 19:47:48,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1948 GetRequests, 1943 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 39.1ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:47:48,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 19:47:48,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16454. [2021-10-21 19:47:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0182945359508904) internal successors, (16754), 16453 states have internal predecessors, (16754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16754 transitions. [2021-10-21 19:47:48,862 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16754 transitions. Word has length 1943 [2021-10-21 19:47:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:48,863 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16754 transitions. [2021-10-21 19:47:48,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16754 transitions. [2021-10-21 19:47:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1975 [2021-10-21 19:47:48,905 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:47:48,906 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:47:48,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:49,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:49,113 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:47:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:49,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1060738857, now seen corresponding path program 1 times [2021-10-21 19:47:49,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:49,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636581192] [2021-10-21 19:47:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:49,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8480 backedges. 6279 proven. 78 refuted. 0 times theorem prover too weak. 2123 trivial. 0 not checked. [2021-10-21 19:47:50,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:50,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636581192] [2021-10-21 19:47:50,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636581192] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:47:50,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058207911] [2021-10-21 19:47:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:50,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:50,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:47:50,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:47:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:52,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:47:52,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8480 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-10-21 19:47:57,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058207911] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:57,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:47:57,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 19:47:57,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963269991] [2021-10-21 19:47:57,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:47:57,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:57,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:47:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:47:57,537 INFO L87 Difference]: Start difference. First operand 16454 states and 16754 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:59,580 INFO L93 Difference]: Finished difference Result 36852 states and 37518 transitions. [2021-10-21 19:47:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:47:59,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 1974 [2021-10-21 19:47:59,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:47:59,582 INFO L225 Difference]: With dead ends: 36852 [2021-10-21 19:47:59,582 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:47:59,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1979 GetRequests, 1974 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 62.4ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:47:59,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:47:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:47:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:47:59,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1974 [2021-10-21 19:47:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:47:59,592 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:47:59,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:47:59,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:47:59,595 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:47:59,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-21 19:47:59,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:47:59,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:47:59,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:00,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:00,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:00,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:48:03,637 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,638 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,639 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,640 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,641 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:48:03,642 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,643 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,644 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 8)) (.cse11 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse6 (<= 4 ~a15~0)) (.cse8 (exists ((v_~a18~0_899 Int)) (and (< 0 (+ v_~a18~0_899 156)) (<= (+ 7 (mod (+ (* v_~a18~0_899 5) 81) 106)) ~a18~0)))) (.cse3 (<= ~a18~0 132)) (.cse10 (= ~a12~0 8)) (.cse14 (<= 0 (+ 87 ~a18~0))) (.cse0 (= ~a16~0 9)) (.cse15 (<= ~a12~0 7)) (.cse12 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse7 (<= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse5 (= ~a12~0 9)) (.cse16 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse4 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and .cse5 .cse0 .cse6) (and .cse7 .cse8 .cse3 .cse9) (and .cse0 .cse3 .cse9) (and .cse7 .cse5) (and .cse7 (<= (+ ~a18~0 156) 0) .cse9) (and .cse2 .cse10 .cse11) (and .cse11 .cse12 .cse13 .cse6) (and .cse14 .cse5 .cse2) (and .cse14 .cse2 .cse12 .cse4) (and (= ~a16~0 8) .cse15) (and .cse16 .cse3 .cse13 .cse6) (and .cse8 .cse3 .cse12 .cse13) (and .cse2 .cse10 .cse3) (and .cse2 .cse10 .cse13) (and .cse14 .cse2 .cse13 .cse1) (and .cse7 .cse2) (and .cse0 .cse2 .cse15) (and .cse12 .cse13 (<= 6 ~a12~0)) (and .cse7 .cse1) (and .cse5 .cse2 .cse4) (and .cse16 .cse2 .cse4))) [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,645 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:48:03,646 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,647 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,648 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,648 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,648 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,648 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,648 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,649 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,649 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,649 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,649 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,649 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,650 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,650 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,650 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,650 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:48:03,650 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,651 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:48:03,651 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:48:03,651 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,651 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,651 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,652 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,652 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,652 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,652 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,652 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,653 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,653 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,653 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,653 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:48:03,653 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:48:03,654 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,654 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:48:03,654 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,654 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 8)) (.cse11 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse6 (<= 4 ~a15~0)) (.cse8 (exists ((v_~a18~0_899 Int)) (and (< 0 (+ v_~a18~0_899 156)) (<= (+ 7 (mod (+ (* v_~a18~0_899 5) 81) 106)) ~a18~0)))) (.cse3 (<= ~a18~0 132)) (.cse10 (= ~a12~0 8)) (.cse14 (<= 0 (+ 87 ~a18~0))) (.cse0 (= ~a16~0 9)) (.cse15 (<= ~a12~0 7)) (.cse12 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse7 (<= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse5 (= ~a12~0 9)) (.cse16 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse4 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and .cse5 .cse0 .cse6) (and .cse7 .cse8 .cse3 .cse9) (and .cse0 .cse3 .cse9) (and .cse7 .cse5) (and .cse7 (<= (+ ~a18~0 156) 0) .cse9) (and .cse2 .cse10 .cse11) (and .cse11 .cse12 .cse13 .cse6) (and .cse14 .cse5 .cse2) (and .cse14 .cse2 .cse12 .cse4) (and (= ~a16~0 8) .cse15) (and .cse16 .cse3 .cse13 .cse6) (and .cse8 .cse3 .cse12 .cse13) (and .cse2 .cse10 .cse3) (and .cse2 .cse10 .cse13) (and .cse14 .cse2 .cse13 .cse1) (and .cse7 .cse2) (and .cse0 .cse2 .cse15) (and .cse12 .cse13 (<= 6 ~a12~0)) (and .cse7 .cse1) (and .cse5 .cse2 .cse4) (and .cse16 .cse2 .cse4))) [2021-10-21 19:48:03,655 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,655 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,655 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,655 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,655 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,656 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,656 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,656 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,656 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:48:03,656 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,657 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,657 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,657 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,657 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,657 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,658 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:48:03,658 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,658 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:48:03,658 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:48:03,658 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,659 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-21 19:48:03,659 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,659 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,659 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,659 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,660 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,660 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,660 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,660 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,660 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:48:03,661 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,662 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:48:03,662 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,662 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,662 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,663 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,664 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,664 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,664 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,664 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,665 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,665 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,665 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,665 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:48:03,665 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:48:03,666 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:48:03,666 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:48:03,666 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2021-10-21 19:48:03,666 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 8)) (.cse11 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse6 (<= 4 ~a15~0)) (.cse8 (exists ((v_~a18~0_899 Int)) (and (< 0 (+ v_~a18~0_899 156)) (<= (+ 7 (mod (+ (* v_~a18~0_899 5) 81) 106)) ~a18~0)))) (.cse3 (<= ~a18~0 132)) (.cse10 (= ~a12~0 8)) (.cse14 (<= 0 (+ 87 ~a18~0))) (.cse0 (= ~a16~0 9)) (.cse15 (<= ~a12~0 7)) (.cse12 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse7 (<= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse5 (= ~a12~0 9)) (.cse16 (<= ~a12~0 5)) (.cse2 (<= ~a15~0 3)) (.cse4 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and .cse5 .cse0 .cse6) (and .cse7 .cse8 .cse3 .cse9) (and .cse0 .cse3 .cse9) (and .cse7 .cse5) (and .cse7 (<= (+ ~a18~0 156) 0) .cse9) (and .cse2 .cse10 .cse11) (and .cse11 .cse12 .cse13 .cse6) (and .cse14 .cse5 .cse2) (and .cse14 .cse2 .cse12 .cse4) (and (= ~a16~0 8) .cse15) (and .cse16 .cse3 .cse13 .cse6) (and .cse8 .cse3 .cse12 .cse13) (and .cse2 .cse10 .cse3) (and .cse2 .cse10 .cse13) (and .cse14 .cse2 .cse13 .cse1) (and .cse7 .cse2) (and .cse0 .cse2 .cse15) (and .cse12 .cse13 (<= 6 ~a12~0)) (and .cse7 .cse1) (and .cse5 .cse2 .cse4) (and .cse16 .cse2 .cse4))) [2021-10-21 19:48:03,667 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,667 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,667 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,667 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,667 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,668 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,668 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,668 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,668 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,668 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,669 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,669 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,669 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,669 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,669 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:48:03,670 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,670 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:48:03,670 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:48:03,670 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,670 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,671 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,671 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,671 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,671 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,672 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,672 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,672 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,672 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,672 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,673 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,673 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-21 19:48:03,673 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,673 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,673 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,674 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,674 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,674 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:48:03,674 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:48:03,674 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:48:03,675 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,675 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,675 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,675 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,675 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,676 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,676 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,676 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,676 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,676 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,677 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,677 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,677 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,677 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:48:03,677 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,678 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:48:03,678 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:48:03,678 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,678 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,678 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,679 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,679 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,679 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,679 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,679 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,680 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,680 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,680 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,680 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,680 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,681 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,681 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:48:03,681 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:48:03,681 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:48:03,682 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,682 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,682 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,682 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,682 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,683 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,683 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,683 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,683 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,683 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,684 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,684 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,684 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,684 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,684 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:48:03,685 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,685 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:48:03,685 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:48:03,685 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,685 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,686 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,686 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,686 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,686 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,686 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,687 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,688 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,688 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 19:48:03,688 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:48:03,688 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:48:03,689 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,689 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,689 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,689 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,689 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,690 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,690 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,690 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,690 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,690 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,691 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,691 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,691 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,691 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,691 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:48:03,692 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,692 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:48:03,692 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:48:03,692 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,692 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,693 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,693 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,693 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,693 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,693 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,694 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,694 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,694 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,694 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,694 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,695 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:48:03,695 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:48:03,695 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,695 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,695 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,696 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,696 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,696 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,696 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,696 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,697 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,697 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,697 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,697 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,697 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,698 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,698 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,698 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,698 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:48:03,698 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:48:03,699 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,699 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,699 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,699 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,699 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,700 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,700 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,700 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,700 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,700 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:48:03,701 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,701 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,701 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:48:03,701 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:48:03,701 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,702 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,702 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,702 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,702 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,702 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,703 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,703 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,703 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,703 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,703 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,704 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,705 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:48:03,705 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:48:03,705 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,705 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,705 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,706 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,706 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,706 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,706 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-21 19:48:03,706 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,707 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,707 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,707 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 19:48:03,707 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-21 19:48:03,707 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,708 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,708 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-21 19:48:03,708 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:48:03,708 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:48:03,708 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:48:03,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:48:03,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,764 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,765 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,768 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,770 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:03,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:48:03 BoogieIcfgContainer [2021-10-21 19:48:03,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:48:03,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:48:03,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:48:03,789 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:48:03,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:47" (3/4) ... [2021-10-21 19:48:03,798 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:48:03,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:48:03,858 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:48:03,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:48:03,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:48:03,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) [2021-10-21 19:48:03,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) [2021-10-21 19:48:03,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) [2021-10-21 19:48:04,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:48:04,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:48:04,153 INFO L168 Benchmark]: Toolchain (without parser) took 81013.11 ms. Allocated memory was 104.9 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 62.9 MB in the beginning and 2.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 821.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,156 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 104.9 MB. Free memory is still 84.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:48:04,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.44 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 62.8 MB in the beginning and 82.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 278.78 ms. Allocated memory is still 127.9 MB. Free memory was 82.6 MB in the beginning and 82.6 MB in the end (delta: 34.2 kB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,159 INFO L168 Benchmark]: Boogie Preprocessor took 164.33 ms. Allocated memory is still 127.9 MB. Free memory was 82.6 MB in the beginning and 69.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,160 INFO L168 Benchmark]: RCFGBuilder took 2911.75 ms. Allocated memory was 127.9 MB in the beginning and 195.0 MB in the end (delta: 67.1 MB). Free memory was 69.6 MB in the beginning and 120.0 MB in the end (delta: -50.5 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,160 INFO L168 Benchmark]: TraceAbstraction took 76083.43 ms. Allocated memory was 195.0 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 120.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 846.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,161 INFO L168 Benchmark]: Witness Printer took 360.02 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:48:04,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 104.9 MB. Free memory is still 84.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1203.44 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 62.8 MB in the beginning and 82.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 278.78 ms. Allocated memory is still 127.9 MB. Free memory was 82.6 MB in the beginning and 82.6 MB in the end (delta: 34.2 kB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.33 ms. Allocated memory is still 127.9 MB. Free memory was 82.6 MB in the beginning and 69.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2911.75 ms. Allocated memory was 127.9 MB in the beginning and 195.0 MB in the end (delta: 67.1 MB). Free memory was 69.6 MB in the beginning and 120.0 MB in the end (delta: -50.5 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 76083.43 ms. Allocated memory was 195.0 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 120.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 846.4 MB. Max. memory is 16.1 GB. * Witness Printer took 360.02 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 206]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75918.6ms, OverallIterations: 22, TraceHistogramMax: 13, EmptinessCheckTime: 582.6ms, AutomataDifference: 32792.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3840.4ms, InitialAbstractionConstructionTime: 31.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6119 SDtfs, 4925 SDslu, 195 SDs, 0 SdLazy, 18904 SolverSat, 2457 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23871.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5868 GetRequests, 5831 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 225.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17441occurred in iteration=12, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4240.5ms AutomataMinimizationTime, 22 MinimizatonAttempts, 9927 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 225 NumberOfFragments, 850 HoareAnnotationTreeSize, 4 FomulaSimplifications, 10877 FormulaSimplificationTreeSizeReduction, 886.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 4728 FormulaSimplificationTreeSizeReductionInter, 2938.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1284.5ms SsaConstructionTime, 3712.1ms SatisfiabilityAnalysisTime, 26058.1ms InterpolantComputationTime, 28191 NumberOfCodeBlocks, 28191 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 28166 ConstructedInterpolants, 61 QuantifiedInterpolants, 58416 SizeOfPredicates, 1 NumberOfNonLiveVariables, 6841 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 92083/92457 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: 1504]: Loop Invariant [2021-10-21 19:48:04,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant [2021-10-21 19:48:04,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant [2021-10-21 19:48:04,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,203 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] [2021-10-21 19:48:04,203 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_899,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a15 <= 3 && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (((a16 <= 8 && (\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18)) && a18 <= 132) && a12 <= 8)) || ((a16 == 9 && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a18 / -2 + 79 <= 0 && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 11 <= a16)) || (a16 == 8 && a12 <= 7)) || (((a12 <= 5 && a18 <= 132) && a16 <= 11) && 4 <= a15)) || ((((\exists v_~a18~0_899 : int :: 0 < v_~a18~0_899 + 156 && 7 + (v_~a18~0_899 * 5 + 81) % 106 <= a18) && a18 <= 132) && a12 <= 6) && a16 <= 11)) || ((a15 <= 3 && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (a16 <= 8 && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a12 <= 5 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:48:04,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce101a2c-9efe-4661-890a-057e13bef0e5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...