./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg --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 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:45,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:45,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:45,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:45,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:45,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:45,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:45,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:45,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:45,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:45,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:45,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:45,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:45,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:45,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:45,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:45,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:45,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:45,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:45,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:45,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:45,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:45,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:45,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:45,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:45,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:45,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:45,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:45,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:45,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:45,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:45,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:45,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:45,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:45,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:45,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:45,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:45,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:45,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:45,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:45,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:45,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:07:45,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:45,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:45,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:45,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:45,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:45,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:45,856 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:45,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:45,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:45,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:45,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:45,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:45,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:07:45,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:07:45,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:07:45,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:45,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:45,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:45,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:07:45,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:45,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:45,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:07:45,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:45,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:45,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:07:45,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:07:45,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:45,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:07:45,860 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:07:45,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:07:45,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:07:45,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:45,861 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_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42b374d0017cdae74eebab609ba5393370e8c987522e66a98f57a11c3f33505a [2021-10-28 09:07:46,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:46,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:46,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:46,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:46,128 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:46,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2021-10-28 09:07:46,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/data/0e9d5a19c/1feb2537f76e4c4c9b5ab3a61cfd9952/FLAG92ae6a346 [2021-10-28 09:07:46,834 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:46,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/sv-benchmarks/c/eca-rers2012/Problem15_label17.c [2021-10-28 09:07:46,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/data/0e9d5a19c/1feb2537f76e4c4c9b5ab3a61cfd9952/FLAG92ae6a346 [2021-10-28 09:07:47,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/data/0e9d5a19c/1feb2537f76e4c4c9b5ab3a61cfd9952 [2021-10-28 09:07:47,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:47,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:47,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:47,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:47,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:47,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:47" (1/1) ... [2021-10-28 09:07:47,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19694f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:47, skipping insertion in model container [2021-10-28 09:07:47,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:47" (1/1) ... [2021-10-28 09:07:47,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:47,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:47,477 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_6f03c484-511e-428d-b4c1-527824d8cb45/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2021-10-28 09:07:48,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:48,040 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:48,083 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_6f03c484-511e-428d-b4c1-527824d8cb45/sv-benchmarks/c/eca-rers2012/Problem15_label17.c[7664,7677] [2021-10-28 09:07:48,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:48,352 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:48,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48 WrapperNode [2021-10-28 09:07:48,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:48,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:48,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:48,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:48,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:48,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:48,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:48,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:48,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:48,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:48,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:48,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:48,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (1/1) ... [2021-10-28 09:07:48,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:07:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:48,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:48,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:52,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:52,269 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:07:52,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:52 BoogieIcfgContainer [2021-10-28 09:07:52,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:52,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:07:52,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:07:52,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:07:52,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:07:47" (1/3) ... [2021-10-28 09:07:52,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8ec74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:52, skipping insertion in model container [2021-10-28 09:07:52,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:48" (2/3) ... [2021-10-28 09:07:52,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8ec74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:07:52, skipping insertion in model container [2021-10-28 09:07:52,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:52" (3/3) ... [2021-10-28 09:07:52,281 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label17.c [2021-10-28 09:07:52,287 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:07:52,287 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:07:52,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:07:52,344 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 [2021-10-28 09:07:52,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:07:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-28 09:07:52,379 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:52,379 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:52,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-10-28 09:07:52,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:52,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250372656] [2021-10-28 09:07:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:52,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:52,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250372656] [2021-10-28 09:07:52,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250372656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:52,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:52,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:52,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195819165] [2021-10-28 09:07:52,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:52,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:52,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:52,786 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2021-10-28 09:07:55,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:55,590 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-10-28 09:07:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:55,592 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 [2021-10-28 09:07:55,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:55,618 INFO L225 Difference]: With dead ends: 1191 [2021-10-28 09:07:55,622 INFO L226 Difference]: Without dead ends: 688 [2021-10-28 09:07:55,627 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-10-28 09:07:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-10-28 09:07:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-10-28 09:07:55,709 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 63 [2021-10-28 09:07:55,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:55,710 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-10-28 09:07:55,710 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) [2021-10-28 09:07:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-10-28 09:07:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-28 09:07:55,716 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:55,717 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:55,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:07:55,718 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:55,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1963228353, now seen corresponding path program 1 times [2021-10-28 09:07:55,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:55,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039519109] [2021-10-28 09:07:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:55,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:55,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:55,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039519109] [2021-10-28 09:07:55,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039519109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:55,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:55,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:55,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253589682] [2021-10-28 09:07:55,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:55,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:55,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:55,918 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:57,691 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-10-28 09:07:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:57,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-28 09:07:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:07:57,700 INFO L225 Difference]: With dead ends: 1964 [2021-10-28 09:07:57,700 INFO L226 Difference]: Without dead ends: 1286 [2021-10-28 09:07:57,703 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:57,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-10-28 09:07:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-10-28 09:07:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-10-28 09:07:57,784 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 131 [2021-10-28 09:07:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:07:57,787 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-10-28 09:07:57,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-10-28 09:07:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-28 09:07:57,803 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:07:57,804 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:57,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:07:57,805 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:07:57,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1160975019, now seen corresponding path program 1 times [2021-10-28 09:07:57,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:57,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195429115] [2021-10-28 09:07:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:57,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:58,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:58,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195429115] [2021-10-28 09:07:58,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195429115] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:58,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:58,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:58,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617330780] [2021-10-28 09:07:58,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:07:58,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:58,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:58,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:58,055 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:00,166 INFO L93 Difference]: Finished difference Result 2859 states and 3905 transitions. [2021-10-28 09:08:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:00,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2021-10-28 09:08:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:00,181 INFO L225 Difference]: With dead ends: 2859 [2021-10-28 09:08:00,182 INFO L226 Difference]: Without dead ends: 1580 [2021-10-28 09:08:00,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-10-28 09:08:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-10-28 09:08:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1579 states have (on average 1.3242558581380621) internal successors, (2091), 1579 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2091 transitions. [2021-10-28 09:08:00,227 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2091 transitions. Word has length 139 [2021-10-28 09:08:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:00,230 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2091 transitions. [2021-10-28 09:08:00,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2091 transitions. [2021-10-28 09:08:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-10-28 09:08:00,234 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:00,235 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:08:00,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:08:00,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:00,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:00,238 INFO L85 PathProgramCache]: Analyzing trace with hash 75098474, now seen corresponding path program 1 times [2021-10-28 09:08:00,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:00,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744808372] [2021-10-28 09:08:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:00,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 09:08:00,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:00,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744808372] [2021-10-28 09:08:00,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744808372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:00,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:00,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:00,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089700778] [2021-10-28 09:08:00,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:00,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:00,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:00,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:00,484 INFO L87 Difference]: Start difference. First operand 1580 states and 2091 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:02,636 INFO L93 Difference]: Finished difference Result 4065 states and 5551 transitions. [2021-10-28 09:08:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:02,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2021-10-28 09:08:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:02,653 INFO L225 Difference]: With dead ends: 4065 [2021-10-28 09:08:02,653 INFO L226 Difference]: Without dead ends: 2786 [2021-10-28 09:08:02,656 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-10-28 09:08:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2021-10-28 09:08:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2785 states have (on average 1.2204667863554757) internal successors, (3399), 2785 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3399 transitions. [2021-10-28 09:08:02,722 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3399 transitions. Word has length 230 [2021-10-28 09:08:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:02,724 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3399 transitions. [2021-10-28 09:08:02,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3399 transitions. [2021-10-28 09:08:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-28 09:08:02,728 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:02,729 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:08:02,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:08:02,729 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:02,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1852515434, now seen corresponding path program 1 times [2021-10-28 09:08:02,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:02,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564642168] [2021-10-28 09:08:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:02,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-28 09:08:02,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:02,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564642168] [2021-10-28 09:08:02,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564642168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:02,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:02,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:08:02,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143560198] [2021-10-28 09:08:02,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:02,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:02,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:02,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:02,848 INFO L87 Difference]: Start difference. First operand 2786 states and 3399 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:05,082 INFO L93 Difference]: Finished difference Result 6472 states and 8164 transitions. [2021-10-28 09:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:05,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-10-28 09:08:05,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:05,110 INFO L225 Difference]: With dead ends: 6472 [2021-10-28 09:08:05,111 INFO L226 Difference]: Without dead ends: 3987 [2021-10-28 09:08:05,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2021-10-28 09:08:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3686. [2021-10-28 09:08:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3686 states, 3685 states have (on average 1.1959294436906378) internal successors, (4407), 3685 states have internal predecessors, (4407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 4407 transitions. [2021-10-28 09:08:05,206 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 4407 transitions. Word has length 236 [2021-10-28 09:08:05,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:05,207 INFO L470 AbstractCegarLoop]: Abstraction has 3686 states and 4407 transitions. [2021-10-28 09:08:05,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4407 transitions. [2021-10-28 09:08:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-10-28 09:08:05,214 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:05,214 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:05,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:08:05,215 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:05,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1238094804, now seen corresponding path program 1 times [2021-10-28 09:08:05,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:05,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563919923] [2021-10-28 09:08:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:05,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:08:05,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:05,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563919923] [2021-10-28 09:08:05,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563919923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:05,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:05,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:05,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928083713] [2021-10-28 09:08:05,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:05,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:05,417 INFO L87 Difference]: Start difference. First operand 3686 states and 4407 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:07,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:07,258 INFO L93 Difference]: Finished difference Result 8279 states and 10190 transitions. [2021-10-28 09:08:07,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:07,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 345 [2021-10-28 09:08:07,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:07,283 INFO L225 Difference]: With dead ends: 8279 [2021-10-28 09:08:07,284 INFO L226 Difference]: Without dead ends: 4894 [2021-10-28 09:08:07,288 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2021-10-28 09:08:07,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4592. [2021-10-28 09:08:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 4591 states have (on average 1.184055761272054) internal successors, (5436), 4591 states have internal predecessors, (5436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 5436 transitions. [2021-10-28 09:08:07,386 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 5436 transitions. Word has length 345 [2021-10-28 09:08:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:07,387 INFO L470 AbstractCegarLoop]: Abstraction has 4592 states and 5436 transitions. [2021-10-28 09:08:07,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 5436 transitions. [2021-10-28 09:08:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-10-28 09:08:07,394 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:07,394 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:07,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:08:07,395 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:07,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:07,395 INFO L85 PathProgramCache]: Analyzing trace with hash 207476629, now seen corresponding path program 1 times [2021-10-28 09:08:07,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:07,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904351626] [2021-10-28 09:08:07,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:07,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 09:08:07,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:07,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904351626] [2021-10-28 09:08:07,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904351626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:07,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:07,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:07,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878868014] [2021-10-28 09:08:07,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:07,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:07,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:07,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:07,594 INFO L87 Difference]: Start difference. First operand 4592 states and 5436 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:09,362 INFO L93 Difference]: Finished difference Result 10079 states and 12234 transitions. [2021-10-28 09:08:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:09,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 350 [2021-10-28 09:08:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:09,385 INFO L225 Difference]: With dead ends: 10079 [2021-10-28 09:08:09,385 INFO L226 Difference]: Without dead ends: 5788 [2021-10-28 09:08:09,389 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2021-10-28 09:08:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5784. [2021-10-28 09:08:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5783 states have (on average 1.1663496455127096) internal successors, (6745), 5783 states have internal predecessors, (6745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 6745 transitions. [2021-10-28 09:08:09,502 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 6745 transitions. Word has length 350 [2021-10-28 09:08:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:09,503 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 6745 transitions. [2021-10-28 09:08:09,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 6745 transitions. [2021-10-28 09:08:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-10-28 09:08:09,518 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:09,519 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:09,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:08:09,519 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:09,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -934046099, now seen corresponding path program 1 times [2021-10-28 09:08:09,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:09,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10074150] [2021-10-28 09:08:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:09,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 426 proven. 39 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-28 09:08:09,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:09,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10074150] [2021-10-28 09:08:09,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10074150] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:09,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646912434] [2021-10-28 09:08:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:09,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:09,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:09,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:09,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:08:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:10,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:08:10,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-10-28 09:08:11,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646912434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:11,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:08:11,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:08:11,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998334192] [2021-10-28 09:08:11,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:11,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:11,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:11,549 INFO L87 Difference]: Start difference. First operand 5784 states and 6745 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:13,458 INFO L93 Difference]: Finished difference Result 14556 states and 17044 transitions. [2021-10-28 09:08:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:13,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 514 [2021-10-28 09:08:13,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:13,504 INFO L225 Difference]: With dead ends: 14556 [2021-10-28 09:08:13,505 INFO L226 Difference]: Without dead ends: 9073 [2021-10-28 09:08:13,510 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9073 states. [2021-10-28 09:08:13,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9073 to 7578. [2021-10-28 09:08:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1483436716378514) internal successors, (8701), 7577 states have internal predecessors, (8701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8701 transitions. [2021-10-28 09:08:13,663 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8701 transitions. Word has length 514 [2021-10-28 09:08:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:13,664 INFO L470 AbstractCegarLoop]: Abstraction has 7578 states and 8701 transitions. [2021-10-28 09:08:13,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8701 transitions. [2021-10-28 09:08:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-10-28 09:08:13,679 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:13,680 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:13,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:13,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-28 09:08:13,908 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:13,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:13,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2057557162, now seen corresponding path program 1 times [2021-10-28 09:08:13,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:13,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603471064] [2021-10-28 09:08:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:13,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 531 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-10-28 09:08:14,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:14,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603471064] [2021-10-28 09:08:14,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603471064] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:14,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856251141] [2021-10-28 09:08:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:14,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:14,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:14,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:14,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:08:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:14,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:08:14,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 09:08:15,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856251141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:15,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:08:15,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:08:15,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951737564] [2021-10-28 09:08:15,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:15,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:15,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:15,735 INFO L87 Difference]: Start difference. First operand 7578 states and 8701 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:17,480 INFO L93 Difference]: Finished difference Result 17246 states and 20051 transitions. [2021-10-28 09:08:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 547 [2021-10-28 09:08:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:17,512 INFO L225 Difference]: With dead ends: 17246 [2021-10-28 09:08:17,512 INFO L226 Difference]: Without dead ends: 9969 [2021-10-28 09:08:17,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2021-10-28 09:08:17,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2021-10-28 09:08:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1498796147672552) internal successors, (11462), 9968 states have internal predecessors, (11462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11462 transitions. [2021-10-28 09:08:17,672 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11462 transitions. Word has length 547 [2021-10-28 09:08:17,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:17,673 INFO L470 AbstractCegarLoop]: Abstraction has 9969 states and 11462 transitions. [2021-10-28 09:08:17,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11462 transitions. [2021-10-28 09:08:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-10-28 09:08:17,680 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:17,681 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:17,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:17,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:17,904 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:17,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1484596940, now seen corresponding path program 1 times [2021-10-28 09:08:17,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:17,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594888537] [2021-10-28 09:08:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:17,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-28 09:08:18,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:18,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594888537] [2021-10-28 09:08:18,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594888537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:18,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:18,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:18,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819000014] [2021-10-28 09:08:18,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:18,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:18,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:18,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:18,170 INFO L87 Difference]: Start difference. First operand 9969 states and 11462 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:20,280 INFO L93 Difference]: Finished difference Result 24136 states and 28000 transitions. [2021-10-28 09:08:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 551 [2021-10-28 09:08:20,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:20,306 INFO L225 Difference]: With dead ends: 24136 [2021-10-28 09:08:20,306 INFO L226 Difference]: Without dead ends: 14468 [2021-10-28 09:08:20,314 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2021-10-28 09:08:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2021-10-28 09:08:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1347743165924984) internal successors, (16065), 14157 states have internal predecessors, (16065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16065 transitions. [2021-10-28 09:08:20,520 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16065 transitions. Word has length 551 [2021-10-28 09:08:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:20,521 INFO L470 AbstractCegarLoop]: Abstraction has 14158 states and 16065 transitions. [2021-10-28 09:08:20,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16065 transitions. [2021-10-28 09:08:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-10-28 09:08:20,535 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:20,535 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:20,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:08:20,536 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:20,537 INFO L85 PathProgramCache]: Analyzing trace with hash 94161064, now seen corresponding path program 1 times [2021-10-28 09:08:20,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:20,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778662720] [2021-10-28 09:08:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:20,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 688 proven. 39 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-10-28 09:08:20,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:20,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778662720] [2021-10-28 09:08:20,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778662720] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:20,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146653981] [2021-10-28 09:08:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:20,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:20,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:20,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:08:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:21,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:08:21,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 09:08:22,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146653981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:22,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:08:22,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:08:22,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798255810] [2021-10-28 09:08:22,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:22,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:22,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:22,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:22,725 INFO L87 Difference]: Start difference. First operand 14158 states and 16065 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) [2021-10-28 09:08:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:24,278 INFO L93 Difference]: Finished difference Result 27712 states and 31488 transitions. [2021-10-28 09:08:24,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:24,279 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 626 [2021-10-28 09:08:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:24,305 INFO L225 Difference]: With dead ends: 27712 [2021-10-28 09:08:24,305 INFO L226 Difference]: Without dead ends: 13855 [2021-10-28 09:08:24,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:08:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2021-10-28 09:08:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13555. [2021-10-28 09:08:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13555 states, 13554 states have (on average 1.0829275490630073) internal successors, (14678), 13554 states have internal predecessors, (14678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13555 states to 13555 states and 14678 transitions. [2021-10-28 09:08:24,584 INFO L78 Accepts]: Start accepts. Automaton has 13555 states and 14678 transitions. Word has length 626 [2021-10-28 09:08:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:24,585 INFO L470 AbstractCegarLoop]: Abstraction has 13555 states and 14678 transitions. [2021-10-28 09:08:24,586 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) [2021-10-28 09:08:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 13555 states and 14678 transitions. [2021-10-28 09:08:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2021-10-28 09:08:24,602 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:24,603 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:24,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:24,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:24,823 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:24,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1632467113, now seen corresponding path program 1 times [2021-10-28 09:08:24,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:24,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642693371] [2021-10-28 09:08:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:24,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 615 proven. 39 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-10-28 09:08:25,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:25,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642693371] [2021-10-28 09:08:25,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642693371] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:25,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442086553] [2021-10-28 09:08:25,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:25,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:25,127 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:25,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:08:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:25,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:08:25,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 615 proven. 39 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-10-28 09:08:28,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442086553] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:28,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:08:28,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:08:28,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514628042] [2021-10-28 09:08:28,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:08:28,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:28,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:08:28,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:08:28,067 INFO L87 Difference]: Start difference. First operand 13555 states and 14678 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:33,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:33,531 INFO L93 Difference]: Finished difference Result 34387 states and 37199 transitions. [2021-10-28 09:08:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:08:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 627 [2021-10-28 09:08:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:33,569 INFO L225 Difference]: With dead ends: 34387 [2021-10-28 09:08:33,569 INFO L226 Difference]: Without dead ends: 16245 [2021-10-28 09:08:33,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:08:33,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16245 states. [2021-10-28 09:08:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16245 to 12357. [2021-10-28 09:08:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0435415992230495) internal successors, (12894), 12356 states have internal predecessors, (12894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12894 transitions. [2021-10-28 09:08:33,774 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12894 transitions. Word has length 627 [2021-10-28 09:08:33,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:33,775 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12894 transitions. [2021-10-28 09:08:33,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12894 transitions. [2021-10-28 09:08:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-10-28 09:08:33,788 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:33,790 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:33,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:34,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:34,015 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:34,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1939287860, now seen corresponding path program 1 times [2021-10-28 09:08:34,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:34,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342805916] [2021-10-28 09:08:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:34,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 266 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:08:34,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:34,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342805916] [2021-10-28 09:08:34,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342805916] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:34,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631095609] [2021-10-28 09:08:34,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:34,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:08:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:08:34,537 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:08:34,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:08:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:35,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:08:35,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:08:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 450 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:08:37,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631095609] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:08:37,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:08:37,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-28 09:08:37,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363944397] [2021-10-28 09:08:37,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:08:37,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:08:37,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:08:37,293 INFO L87 Difference]: Start difference. First operand 12357 states and 12894 transitions. Second operand has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:46,431 INFO L93 Difference]: Finished difference Result 36952 states and 38550 transitions. [2021-10-28 09:08:46,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-28 09:08:46,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 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 664 [2021-10-28 09:08:46,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:46,470 INFO L225 Difference]: With dead ends: 36952 [2021-10-28 09:08:46,470 INFO L226 Difference]: Without dead ends: 24295 [2021-10-28 09:08:46,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=741, Unknown=0, NotChecked=0, Total=930 [2021-10-28 09:08:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24295 states. [2021-10-28 09:08:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24295 to 18048. [2021-10-28 09:08:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18048 states, 18047 states have (on average 1.0413919210949187) internal successors, (18794), 18047 states have internal predecessors, (18794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18048 states to 18048 states and 18794 transitions. [2021-10-28 09:08:46,762 INFO L78 Accepts]: Start accepts. Automaton has 18048 states and 18794 transitions. Word has length 664 [2021-10-28 09:08:46,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:46,763 INFO L470 AbstractCegarLoop]: Abstraction has 18048 states and 18794 transitions. [2021-10-28 09:08:46,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 18048 states and 18794 transitions. [2021-10-28 09:08:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-10-28 09:08:46,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:46,838 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:46,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:08:47,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 09:08:47,051 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:47,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:47,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1642869698, now seen corresponding path program 1 times [2021-10-28 09:08:47,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:47,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009183003] [2021-10-28 09:08:47,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:47,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-10-28 09:08:47,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:47,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009183003] [2021-10-28 09:08:47,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009183003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:47,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:47,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:47,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929923952] [2021-10-28 09:08:47,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:47,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:47,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:47,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:47,350 INFO L87 Difference]: Start difference. First operand 18048 states and 18794 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:48,575 INFO L93 Difference]: Finished difference Result 36391 states and 37897 transitions. [2021-10-28 09:08:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 731 [2021-10-28 09:08:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:48,598 INFO L225 Difference]: With dead ends: 36391 [2021-10-28 09:08:48,598 INFO L226 Difference]: Without dead ends: 18345 [2021-10-28 09:08:48,607 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2021-10-28 09:08:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 18046. [2021-10-28 09:08:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18046 states, 18045 states have (on average 1.0412856747021335) internal successors, (18790), 18045 states have internal predecessors, (18790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18046 states to 18046 states and 18790 transitions. [2021-10-28 09:08:48,978 INFO L78 Accepts]: Start accepts. Automaton has 18046 states and 18790 transitions. Word has length 731 [2021-10-28 09:08:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:48,978 INFO L470 AbstractCegarLoop]: Abstraction has 18046 states and 18790 transitions. [2021-10-28 09:08:48,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18046 states and 18790 transitions. [2021-10-28 09:08:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-10-28 09:08:48,991 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:48,992 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:48,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:08:48,992 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:48,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:48,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1626669109, now seen corresponding path program 1 times [2021-10-28 09:08:48,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:48,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230740134] [2021-10-28 09:08:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:48,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 763 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-28 09:08:49,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:49,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230740134] [2021-10-28 09:08:49,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230740134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:49,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:49,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:08:49,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176863532] [2021-10-28 09:08:49,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:08:49,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:08:49,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:49,438 INFO L87 Difference]: Start difference. First operand 18046 states and 18790 transitions. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:50,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:50,781 INFO L93 Difference]: Finished difference Result 41769 states and 43488 transitions. [2021-10-28 09:08:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:08:50,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 760 [2021-10-28 09:08:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:50,805 INFO L225 Difference]: With dead ends: 41769 [2021-10-28 09:08:50,806 INFO L226 Difference]: Without dead ends: 23426 [2021-10-28 09:08:50,819 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:08:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2021-10-28 09:08:51,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 22529. [2021-10-28 09:08:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22529 states, 22528 states have (on average 1.0373757102272727) internal successors, (23370), 22528 states have internal predecessors, (23370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22529 states to 22529 states and 23370 transitions. [2021-10-28 09:08:51,222 INFO L78 Accepts]: Start accepts. Automaton has 22529 states and 23370 transitions. Word has length 760 [2021-10-28 09:08:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:51,223 INFO L470 AbstractCegarLoop]: Abstraction has 22529 states and 23370 transitions. [2021-10-28 09:08:51,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 22529 states and 23370 transitions. [2021-10-28 09:08:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2021-10-28 09:08:51,242 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:51,243 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:51,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:08:51,244 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1621297423, now seen corresponding path program 1 times [2021-10-28 09:08:51,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:51,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626434980] [2021-10-28 09:08:51,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:51,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 735 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-10-28 09:08:51,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:51,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626434980] [2021-10-28 09:08:51,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626434980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:51,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:51,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:08:51,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964215610] [2021-10-28 09:08:51,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:08:51,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:08:51,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:51,823 INFO L87 Difference]: Start difference. First operand 22529 states and 23370 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:53,838 INFO L93 Difference]: Finished difference Result 55869 states and 57984 transitions. [2021-10-28 09:08:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:08:53,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 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 840 [2021-10-28 09:08:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:53,871 INFO L225 Difference]: With dead ends: 55869 [2021-10-28 09:08:53,872 INFO L226 Difference]: Without dead ends: 33043 [2021-10-28 09:08:53,884 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33043 states. [2021-10-28 09:08:54,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33043 to 26720. [2021-10-28 09:08:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26720 states, 26719 states have (on average 1.037201991092481) internal successors, (27713), 26719 states have internal predecessors, (27713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26720 states to 26720 states and 27713 transitions. [2021-10-28 09:08:54,246 INFO L78 Accepts]: Start accepts. Automaton has 26720 states and 27713 transitions. Word has length 840 [2021-10-28 09:08:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:54,246 INFO L470 AbstractCegarLoop]: Abstraction has 26720 states and 27713 transitions. [2021-10-28 09:08:54,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 26720 states and 27713 transitions. [2021-10-28 09:08:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2021-10-28 09:08:54,265 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:54,266 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:54,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:08:54,266 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:54,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:54,267 INFO L85 PathProgramCache]: Analyzing trace with hash -991976836, now seen corresponding path program 1 times [2021-10-28 09:08:54,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:54,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996976914] [2021-10-28 09:08:54,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:54,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-10-28 09:08:54,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:54,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996976914] [2021-10-28 09:08:54,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996976914] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:54,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:54,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:08:54,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597625638] [2021-10-28 09:08:54,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:08:54,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:54,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:08:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:54,830 INFO L87 Difference]: Start difference. First operand 26720 states and 27713 transitions. Second operand has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:56,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:56,934 INFO L93 Difference]: Finished difference Result 62726 states and 65021 transitions. [2021-10-28 09:08:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:08:56,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 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 881 [2021-10-28 09:08:56,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:56,959 INFO L225 Difference]: With dead ends: 62726 [2021-10-28 09:08:56,959 INFO L226 Difference]: Without dead ends: 36008 [2021-10-28 09:08:56,966 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:56,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36008 states. [2021-10-28 09:08:57,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36008 to 28519. [2021-10-28 09:08:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28519 states, 28518 states have (on average 1.0368539168244617) internal successors, (29569), 28518 states have internal predecessors, (29569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28519 states to 28519 states and 29569 transitions. [2021-10-28 09:08:57,261 INFO L78 Accepts]: Start accepts. Automaton has 28519 states and 29569 transitions. Word has length 881 [2021-10-28 09:08:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:57,262 INFO L470 AbstractCegarLoop]: Abstraction has 28519 states and 29569 transitions. [2021-10-28 09:08:57,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 28519 states and 29569 transitions. [2021-10-28 09:08:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-10-28 09:08:57,281 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:57,281 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:57,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:08:57,282 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1094532106, now seen corresponding path program 1 times [2021-10-28 09:08:57,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:57,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683169969] [2021-10-28 09:08:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:57,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:08:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:08:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1411 backedges. 1016 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-10-28 09:08:57,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:08:57,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683169969] [2021-10-28 09:08:57,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683169969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:08:57,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:08:57,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:08:57,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8656149] [2021-10-28 09:08:57,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:08:57,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:08:57,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:08:57,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:57,724 INFO L87 Difference]: Start difference. First operand 28519 states and 29569 transitions. Second operand has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:08:59,516 INFO L93 Difference]: Finished difference Result 59422 states and 61602 transitions. [2021-10-28 09:08:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:08:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 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 887 [2021-10-28 09:08:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:08:59,537 INFO L225 Difference]: With dead ends: 59422 [2021-10-28 09:08:59,537 INFO L226 Difference]: Without dead ends: 30905 [2021-10-28 09:08:59,542 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:08:59,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30905 states. [2021-10-28 09:08:59,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30905 to 28508. [2021-10-28 09:08:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28508 states, 28507 states have (on average 1.0291156558038377) internal successors, (29337), 28507 states have internal predecessors, (29337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28508 states to 28508 states and 29337 transitions. [2021-10-28 09:08:59,804 INFO L78 Accepts]: Start accepts. Automaton has 28508 states and 29337 transitions. Word has length 887 [2021-10-28 09:08:59,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:08:59,805 INFO L470 AbstractCegarLoop]: Abstraction has 28508 states and 29337 transitions. [2021-10-28 09:08:59,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:08:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28508 states and 29337 transitions. [2021-10-28 09:08:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2021-10-28 09:08:59,819 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:08:59,819 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:08:59,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:08:59,820 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:08:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:08:59,820 INFO L85 PathProgramCache]: Analyzing trace with hash -369515806, now seen corresponding path program 1 times [2021-10-28 09:08:59,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:08:59,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698003253] [2021-10-28 09:08:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:08:59,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1003 proven. 183 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-10-28 09:09:00,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:00,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698003253] [2021-10-28 09:09:00,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698003253] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:00,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929568232] [2021-10-28 09:09:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:00,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:09:00,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:09:00,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:09:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:01,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:09:01,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:09:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 1133 proven. 76 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-10-28 09:09:03,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929568232] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:03,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:09:03,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-10-28 09:09:03,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258377310] [2021-10-28 09:09:03,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:09:03,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:03,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:09:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:09:03,694 INFO L87 Difference]: Start difference. First operand 28508 states and 29337 transitions. Second operand has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:08,781 INFO L93 Difference]: Finished difference Result 61503 states and 63298 transitions. [2021-10-28 09:09:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:09:08,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 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 918 [2021-10-28 09:09:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:08,803 INFO L225 Difference]: With dead ends: 61503 [2021-10-28 09:09:08,803 INFO L226 Difference]: Without dead ends: 32698 [2021-10-28 09:09:08,811 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:09:08,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32698 states. [2021-10-28 09:09:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32698 to 27904. [2021-10-28 09:09:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27904 states, 27903 states have (on average 1.0282765294054403) internal successors, (28692), 27903 states have internal predecessors, (28692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27904 states to 27904 states and 28692 transitions. [2021-10-28 09:09:09,082 INFO L78 Accepts]: Start accepts. Automaton has 27904 states and 28692 transitions. Word has length 918 [2021-10-28 09:09:09,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:09,082 INFO L470 AbstractCegarLoop]: Abstraction has 27904 states and 28692 transitions. [2021-10-28 09:09:09,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 27904 states and 28692 transitions. [2021-10-28 09:09:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2021-10-28 09:09:09,094 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:09,095 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:09,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:09:09,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:09,295 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash -508670603, now seen corresponding path program 1 times [2021-10-28 09:09:09,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:09,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790500632] [2021-10-28 09:09:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:09,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 1152 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-10-28 09:09:09,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:09,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790500632] [2021-10-28 09:09:09,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790500632] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:09,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:09,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:09:09,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90157140] [2021-10-28 09:09:09,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:09,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:09,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:09,641 INFO L87 Difference]: Start difference. First operand 27904 states and 28692 transitions. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:11,409 INFO L93 Difference]: Finished difference Result 60894 states and 62610 transitions. [2021-10-28 09:09:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:09:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 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 919 [2021-10-28 09:09:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:11,434 INFO L225 Difference]: With dead ends: 60894 [2021-10-28 09:09:11,434 INFO L226 Difference]: Without dead ends: 32992 [2021-10-28 09:09:11,444 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:11,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32992 states. [2021-10-28 09:09:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32992 to 29099. [2021-10-28 09:09:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29099 states, 29098 states have (on average 1.026840332668912) internal successors, (29879), 29098 states have internal predecessors, (29879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29099 states to 29099 states and 29879 transitions. [2021-10-28 09:09:11,854 INFO L78 Accepts]: Start accepts. Automaton has 29099 states and 29879 transitions. Word has length 919 [2021-10-28 09:09:11,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:11,855 INFO L470 AbstractCegarLoop]: Abstraction has 29099 states and 29879 transitions. [2021-10-28 09:09:11,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29099 states and 29879 transitions. [2021-10-28 09:09:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2021-10-28 09:09:11,875 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:11,876 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:11,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:09:11,877 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:11,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:11,879 INFO L85 PathProgramCache]: Analyzing trace with hash 353674574, now seen corresponding path program 1 times [2021-10-28 09:09:11,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:11,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190682156] [2021-10-28 09:09:11,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:11,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-10-28 09:09:12,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:12,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190682156] [2021-10-28 09:09:12,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190682156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:12,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:12,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:09:12,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635678073] [2021-10-28 09:09:12,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:12,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:12,275 INFO L87 Difference]: Start difference. First operand 29099 states and 29879 transitions. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:14,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:14,331 INFO L93 Difference]: Finished difference Result 65696 states and 67425 transitions. [2021-10-28 09:09:14,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:09:14,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 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 924 [2021-10-28 09:09:14,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:14,370 INFO L225 Difference]: With dead ends: 65696 [2021-10-28 09:09:14,370 INFO L226 Difference]: Without dead ends: 36300 [2021-10-28 09:09:14,382 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36300 states. [2021-10-28 09:09:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36300 to 29101. [2021-10-28 09:09:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29101 states, 29100 states have (on average 1.026975945017182) internal successors, (29885), 29100 states have internal predecessors, (29885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29101 states to 29101 states and 29885 transitions. [2021-10-28 09:09:14,758 INFO L78 Accepts]: Start accepts. Automaton has 29101 states and 29885 transitions. Word has length 924 [2021-10-28 09:09:14,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:14,759 INFO L470 AbstractCegarLoop]: Abstraction has 29101 states and 29885 transitions. [2021-10-28 09:09:14,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29101 states and 29885 transitions. [2021-10-28 09:09:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2021-10-28 09:09:14,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:14,790 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:14,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 09:09:14,790 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1771405171, now seen corresponding path program 1 times [2021-10-28 09:09:14,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:14,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342767440] [2021-10-28 09:09:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:14,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-10-28 09:09:15,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:15,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342767440] [2021-10-28 09:09:15,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342767440] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:15,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:15,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:09:15,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197390430] [2021-10-28 09:09:15,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:09:15,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:15,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:09:15,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:15,341 INFO L87 Difference]: Start difference. First operand 29101 states and 29885 transitions. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:16,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:16,474 INFO L93 Difference]: Finished difference Result 58193 states and 59741 transitions. [2021-10-28 09:09:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:09:16,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 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 984 [2021-10-28 09:09:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:16,495 INFO L225 Difference]: With dead ends: 58193 [2021-10-28 09:09:16,495 INFO L226 Difference]: Without dead ends: 29094 [2021-10-28 09:09:16,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29094 states. [2021-10-28 09:09:16,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29094 to 24903. [2021-10-28 09:09:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24903 states, 24902 states have (on average 1.0257007469279575) internal successors, (25542), 24902 states have internal predecessors, (25542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 25542 transitions. [2021-10-28 09:09:16,940 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 25542 transitions. Word has length 984 [2021-10-28 09:09:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:16,940 INFO L470 AbstractCegarLoop]: Abstraction has 24903 states and 25542 transitions. [2021-10-28 09:09:16,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 25542 transitions. [2021-10-28 09:09:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2021-10-28 09:09:16,958 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:16,959 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:16,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 09:09:16,959 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:16,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:16,959 INFO L85 PathProgramCache]: Analyzing trace with hash 362774515, now seen corresponding path program 1 times [2021-10-28 09:09:16,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:16,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321589975] [2021-10-28 09:09:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:16,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1756 proven. 508 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2021-10-28 09:09:17,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:17,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321589975] [2021-10-28 09:09:17,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321589975] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:17,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63731093] [2021-10-28 09:09:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:17,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:17,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:09:17,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:09:17,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:09:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:18,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:09:19,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:09:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1872 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2021-10-28 09:09:21,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63731093] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:21,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:09:21,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-10-28 09:09:21,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239971873] [2021-10-28 09:09:21,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:21,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:21,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:09:21,281 INFO L87 Difference]: Start difference. First operand 24903 states and 25542 transitions. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:23,287 INFO L93 Difference]: Finished difference Result 52806 states and 54140 transitions. [2021-10-28 09:09:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:09:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 1197 [2021-10-28 09:09:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:23,307 INFO L225 Difference]: With dead ends: 52806 [2021-10-28 09:09:23,307 INFO L226 Difference]: Without dead ends: 27905 [2021-10-28 09:09:23,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1198 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:09:23,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27905 states. [2021-10-28 09:09:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27905 to 24305. [2021-10-28 09:09:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24305 states, 24304 states have (on average 1.0255102040816326) internal successors, (24924), 24304 states have internal predecessors, (24924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24305 states to 24305 states and 24924 transitions. [2021-10-28 09:09:23,728 INFO L78 Accepts]: Start accepts. Automaton has 24305 states and 24924 transitions. Word has length 1197 [2021-10-28 09:09:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:23,729 INFO L470 AbstractCegarLoop]: Abstraction has 24305 states and 24924 transitions. [2021-10-28 09:09:23,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24305 states and 24924 transitions. [2021-10-28 09:09:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1332 [2021-10-28 09:09:23,769 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:23,770 INFO L513 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, 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, 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, 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, 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] [2021-10-28 09:09:23,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:09:23,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:23,995 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash 987950089, now seen corresponding path program 1 times [2021-10-28 09:09:23,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:23,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925395523] [2021-10-28 09:09:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:23,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3832 backedges. 2156 proven. 0 refuted. 0 times theorem prover too weak. 1676 trivial. 0 not checked. [2021-10-28 09:09:24,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:24,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925395523] [2021-10-28 09:09:24,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925395523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:24,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:24,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:09:24,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599823272] [2021-10-28 09:09:24,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:09:24,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:09:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:24,661 INFO L87 Difference]: Start difference. First operand 24305 states and 24924 transitions. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:25,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:25,932 INFO L93 Difference]: Finished difference Result 50108 states and 51372 transitions. [2021-10-28 09:09:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:09:25,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 1331 [2021-10-28 09:09:25,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:25,950 INFO L225 Difference]: With dead ends: 50108 [2021-10-28 09:09:25,951 INFO L226 Difference]: Without dead ends: 25805 [2021-10-28 09:09:25,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:25,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25805 states. [2021-10-28 09:09:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25805 to 23102. [2021-10-28 09:09:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23102 states, 23101 states have (on average 1.022856153413272) internal successors, (23629), 23101 states have internal predecessors, (23629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23102 states to 23102 states and 23629 transitions. [2021-10-28 09:09:26,167 INFO L78 Accepts]: Start accepts. Automaton has 23102 states and 23629 transitions. Word has length 1331 [2021-10-28 09:09:26,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:26,168 INFO L470 AbstractCegarLoop]: Abstraction has 23102 states and 23629 transitions. [2021-10-28 09:09:26,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states and 23629 transitions. [2021-10-28 09:09:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2021-10-28 09:09:26,187 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:26,188 INFO L513 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:26,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 09:09:26,189 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:26,189 INFO L85 PathProgramCache]: Analyzing trace with hash 525980300, now seen corresponding path program 1 times [2021-10-28 09:09:26,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:26,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286066280] [2021-10-28 09:09:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:26,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2121 proven. 0 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2021-10-28 09:09:26,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:26,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286066280] [2021-10-28 09:09:26,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286066280] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:26,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:26,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:09:26,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21939354] [2021-10-28 09:09:26,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:09:26,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:26,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:09:26,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:26,910 INFO L87 Difference]: Start difference. First operand 23102 states and 23629 transitions. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:27,936 INFO L93 Difference]: Finished difference Result 50701 states and 51862 transitions. [2021-10-28 09:09:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:09:27,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 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 1377 [2021-10-28 09:09:27,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:27,954 INFO L225 Difference]: With dead ends: 50701 [2021-10-28 09:09:27,954 INFO L226 Difference]: Without dead ends: 27601 [2021-10-28 09:09:27,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:27,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27601 states. [2021-10-28 09:09:28,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27601 to 25504. [2021-10-28 09:09:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25504 states, 25503 states have (on average 1.0216053013370976) internal successors, (26054), 25503 states have internal predecessors, (26054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25504 states to 25504 states and 26054 transitions. [2021-10-28 09:09:28,213 INFO L78 Accepts]: Start accepts. Automaton has 25504 states and 26054 transitions. Word has length 1377 [2021-10-28 09:09:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:28,214 INFO L470 AbstractCegarLoop]: Abstraction has 25504 states and 26054 transitions. [2021-10-28 09:09:28,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 25504 states and 26054 transitions. [2021-10-28 09:09:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2021-10-28 09:09:28,235 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:28,236 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:28,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 09:09:28,236 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 745268361, now seen corresponding path program 1 times [2021-10-28 09:09:28,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:28,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6252715] [2021-10-28 09:09:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:28,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5272 backedges. 1319 proven. 0 refuted. 0 times theorem prover too weak. 3953 trivial. 0 not checked. [2021-10-28 09:09:28,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:28,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6252715] [2021-10-28 09:09:28,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6252715] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:28,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:28,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:09:28,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28998518] [2021-10-28 09:09:28,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:09:28,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:28,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:09:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:28,827 INFO L87 Difference]: Start difference. First operand 25504 states and 26054 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:29,841 INFO L93 Difference]: Finished difference Result 52202 states and 53332 transitions. [2021-10-28 09:09:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:09:29,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 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 1447 [2021-10-28 09:09:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:29,860 INFO L225 Difference]: With dead ends: 52202 [2021-10-28 09:09:29,860 INFO L226 Difference]: Without dead ends: 24009 [2021-10-28 09:09:29,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24009 states. [2021-10-28 09:09:30,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24009 to 20718. [2021-10-28 09:09:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20718 states, 20717 states have (on average 1.0199353188202924) internal successors, (21130), 20717 states have internal predecessors, (21130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20718 states to 20718 states and 21130 transitions. [2021-10-28 09:09:30,176 INFO L78 Accepts]: Start accepts. Automaton has 20718 states and 21130 transitions. Word has length 1447 [2021-10-28 09:09:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:30,177 INFO L470 AbstractCegarLoop]: Abstraction has 20718 states and 21130 transitions. [2021-10-28 09:09:30,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 20718 states and 21130 transitions. [2021-10-28 09:09:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1483 [2021-10-28 09:09:30,200 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:30,201 INFO L513 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:09:30,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-28 09:09:30,201 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:30,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1961940020, now seen corresponding path program 1 times [2021-10-28 09:09:30,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:30,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320064222] [2021-10-28 09:09:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:30,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:30,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4108 backedges. 1548 proven. 61 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-10-28 09:09:30,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:30,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320064222] [2021-10-28 09:09:30,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320064222] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:30,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297075423] [2021-10-28 09:09:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:30,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:09:30,758 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:09:30,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:09:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:32,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:09:32,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:09:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4108 backedges. 1548 proven. 61 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-10-28 09:09:35,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297075423] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:35,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:09:35,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:09:35,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086740882] [2021-10-28 09:09:35,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:35,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:35,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:35,679 INFO L87 Difference]: Start difference. First operand 20718 states and 21130 transitions. Second operand has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:37,332 INFO L93 Difference]: Finished difference Result 44728 states and 45607 transitions. [2021-10-28 09:09:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:09:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 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 1482 [2021-10-28 09:09:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:37,348 INFO L225 Difference]: With dead ends: 44728 [2021-10-28 09:09:37,348 INFO L226 Difference]: Without dead ends: 24012 [2021-10-28 09:09:37,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1485 GetRequests, 1482 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:37,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24012 states. [2021-10-28 09:09:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24012 to 20419. [2021-10-28 09:09:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20419 states, 20418 states have (on average 1.0198354393182485) internal successors, (20823), 20418 states have internal predecessors, (20823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20419 states to 20419 states and 20823 transitions. [2021-10-28 09:09:37,556 INFO L78 Accepts]: Start accepts. Automaton has 20419 states and 20823 transitions. Word has length 1482 [2021-10-28 09:09:37,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:37,557 INFO L470 AbstractCegarLoop]: Abstraction has 20419 states and 20823 transitions. [2021-10-28 09:09:37,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 20823 transitions. [2021-10-28 09:09:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1545 [2021-10-28 09:09:37,581 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:37,582 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:37,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:09:37,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-28 09:09:37,783 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:37,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1467405734, now seen corresponding path program 1 times [2021-10-28 09:09:37,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:37,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514886529] [2021-10-28 09:09:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:37,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 2368 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2021-10-28 09:09:38,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:38,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514886529] [2021-10-28 09:09:38,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514886529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:38,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:38,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:09:38,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094274636] [2021-10-28 09:09:38,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:09:38,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:38,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:09:38,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:38,516 INFO L87 Difference]: Start difference. First operand 20419 states and 20823 transitions. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:39,481 INFO L93 Difference]: Finished difference Result 42032 states and 42880 transitions. [2021-10-28 09:09:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:09:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 1544 [2021-10-28 09:09:39,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:39,498 INFO L225 Difference]: With dead ends: 42032 [2021-10-28 09:09:39,498 INFO L226 Difference]: Without dead ends: 21615 [2021-10-28 09:09:39,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:09:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21615 states. [2021-10-28 09:09:39,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21615 to 18914. [2021-10-28 09:09:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18914 states, 18913 states have (on average 1.0193517686247555) internal successors, (19279), 18913 states have internal predecessors, (19279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18914 states to 18914 states and 19279 transitions. [2021-10-28 09:09:39,821 INFO L78 Accepts]: Start accepts. Automaton has 18914 states and 19279 transitions. Word has length 1544 [2021-10-28 09:09:39,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:39,822 INFO L470 AbstractCegarLoop]: Abstraction has 18914 states and 19279 transitions. [2021-10-28 09:09:39,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 18914 states and 19279 transitions. [2021-10-28 09:09:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1799 [2021-10-28 09:09:39,851 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:39,852 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 11, 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, 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, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:09:39,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-28 09:09:39,853 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:39,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:39,853 INFO L85 PathProgramCache]: Analyzing trace with hash 819100233, now seen corresponding path program 1 times [2021-10-28 09:09:39,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:39,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72019626] [2021-10-28 09:09:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:39,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6517 backedges. 3801 proven. 156 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2021-10-28 09:09:40,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:40,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72019626] [2021-10-28 09:09:40,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72019626] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:40,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713944216] [2021-10-28 09:09:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:40,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:09:40,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:09:40,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:09:40,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 09:09:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:43,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:09:43,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:09:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6517 backedges. 3801 proven. 156 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2021-10-28 09:09:46,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713944216] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:09:46,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:09:46,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:09:46,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869893846] [2021-10-28 09:09:46,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:46,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:46,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:46,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:46,723 INFO L87 Difference]: Start difference. First operand 18914 states and 19279 transitions. Second operand has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:48,222 INFO L93 Difference]: Finished difference Result 40520 states and 41297 transitions. [2021-10-28 09:09:48,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:09:48,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 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 1798 [2021-10-28 09:09:48,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:48,239 INFO L225 Difference]: With dead ends: 40520 [2021-10-28 09:09:48,239 INFO L226 Difference]: Without dead ends: 21608 [2021-10-28 09:09:48,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1801 GetRequests, 1798 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21608 states. [2021-10-28 09:09:48,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21608 to 18015. [2021-10-28 09:09:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 18014 states have (on average 1.019207283224159) internal successors, (18360), 18014 states have internal predecessors, (18360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 18360 transitions. [2021-10-28 09:09:48,475 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 18360 transitions. Word has length 1798 [2021-10-28 09:09:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:48,477 INFO L470 AbstractCegarLoop]: Abstraction has 18015 states and 18360 transitions. [2021-10-28 09:09:48,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 18360 transitions. [2021-10-28 09:09:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1800 [2021-10-28 09:09:48,523 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:48,524 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 11, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:48,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:09:48,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-28 09:09:48,725 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:48,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:48,726 INFO L85 PathProgramCache]: Analyzing trace with hash -597855548, now seen corresponding path program 1 times [2021-10-28 09:09:48,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:48,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082469352] [2021-10-28 09:09:48,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:48,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6353 backedges. 4071 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2021-10-28 09:09:49,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:49,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082469352] [2021-10-28 09:09:49,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082469352] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:49,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:49,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:09:49,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63932446] [2021-10-28 09:09:49,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:09:49,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:09:49,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:49,610 INFO L87 Difference]: Start difference. First operand 18015 states and 18360 transitions. Second operand has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:51,121 INFO L93 Difference]: Finished difference Result 38130 states and 38849 transitions. [2021-10-28 09:09:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:09:51,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 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 1799 [2021-10-28 09:09:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:51,137 INFO L225 Difference]: With dead ends: 38130 [2021-10-28 09:09:51,138 INFO L226 Difference]: Without dead ends: 20117 [2021-10-28 09:09:51,145 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:09:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20117 states. [2021-10-28 09:09:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20117 to 17417. [2021-10-28 09:09:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17417 states, 17416 states have (on average 1.0183164905833717) internal successors, (17735), 17416 states have internal predecessors, (17735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17417 states to 17417 states and 17735 transitions. [2021-10-28 09:09:51,424 INFO L78 Accepts]: Start accepts. Automaton has 17417 states and 17735 transitions. Word has length 1799 [2021-10-28 09:09:51,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:51,425 INFO L470 AbstractCegarLoop]: Abstraction has 17417 states and 17735 transitions. [2021-10-28 09:09:51,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 17417 states and 17735 transitions. [2021-10-28 09:09:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1875 [2021-10-28 09:09:51,456 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:09:51,457 INFO L513 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 11, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:09:51,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-28 09:09:51,457 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:09:51,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash -552571982, now seen corresponding path program 1 times [2021-10-28 09:09:51,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:51,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55055657] [2021-10-28 09:09:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:51,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:09:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6599 backedges. 2033 proven. 0 refuted. 0 times theorem prover too weak. 4566 trivial. 0 not checked. [2021-10-28 09:09:52,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:09:52,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55055657] [2021-10-28 09:09:52,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55055657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:09:52,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:09:52,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:09:52,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276763032] [2021-10-28 09:09:52,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:09:52,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:09:52,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:09:52,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:09:52,313 INFO L87 Difference]: Start difference. First operand 17417 states and 17735 transitions. Second operand has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:09:54,314 INFO L93 Difference]: Finished difference Result 41728 states and 42458 transitions. [2021-10-28 09:09:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:09:54,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 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 1874 [2021-10-28 09:09:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:09:54,315 INFO L225 Difference]: With dead ends: 41728 [2021-10-28 09:09:54,316 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:09:54,324 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:09:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:09:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:09:54,324 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) [2021-10-28 09:09:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:09:54,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1874 [2021-10-28 09:09:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:09:54,325 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:09:54,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:09:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:09:54,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:09:54,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:09:54,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-28 09:09:54,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:09:54,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:09:54,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:09:56,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:09:58,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:05,735 WARN L207 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 663 DAG size of output: 194 [2021-10-28 09:10:12,289 WARN L207 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 707 DAG size of output: 198 [2021-10-28 09:10:18,838 WARN L207 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 707 DAG size of output: 198 [2021-10-28 09:10:18,841 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 09:10:18,842 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,843 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,844 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,845 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,846 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,847 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,848 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,849 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,850 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 09:10:18,851 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,852 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 09:10:18,853 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,854 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 09:10:18,855 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,856 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,857 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,858 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,859 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 09:10:18,860 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 09:10:18,861 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,862 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,863 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,864 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,864 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,864 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse37 (+ ~a4~0 86)) (.cse38 (+ ~a0~0 61))) (let ((.cse36 (<= (+ ~a29~0 16) 0)) (.cse2 (<= .cse38 0)) (.cse14 (= ~a2~0 1)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse21 (<= 0 (+ ~a29~0 14))) (.cse15 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse24 (< 195721 ~a29~0)) (.cse10 (< 0 .cse37)) (.cse35 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse25 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse23 (<= 28 ~a0~0)) (.cse19 (<= 0 (+ ~a29~0 192415))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse28 (<= 0 (+ 97 ~a0~0))) (.cse34 (or (and .cse11 .cse15 .cse21 .cse4 .cse13) (and .cse15 .cse4 (or (and .cse13 .cse24) (and .cse10 .cse35 .cse13))))) (.cse7 (= 3 ~a2~0)) (.cse26 (<= 0 (+ 146 ~a0~0))) (.cse20 (< 0 .cse38)) (.cse0 (= 2 ~a2~0)) (.cse16 (<= .cse37 0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse27 (<= (+ ~a29~0 127) 0)) (.cse17 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse18 (or .cse10 .cse35 .cse36)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse33 (or .cse10 .cse36)) (.cse22 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse29 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse11 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse18 .cse19) (and .cse20 .cse21 .cse22 .cse16 .cse13) (and .cse23 .cse4 .cse13 .cse24) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse25 .cse7) (and .cse4 .cse18 .cse5 .cse26 .cse17 .cse19) (and .cse21 .cse0 .cse1 .cse19) (and .cse14 .cse16 .cse27 .cse2) (and .cse20 .cse16 .cse8 .cse7) (and .cse10 .cse28 .cse4 .cse29 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse15 .cse21 .cse4 .cse26 .cse7 .cse2) (and (or (and .cse10 .cse21 .cse4 .cse26 .cse29) (and .cse4 .cse26 .cse29 .cse24)) .cse5) (and .cse30 (or (and .cse15 .cse4 .cse29 (<= 0 (+ 141 ~a0~0)) .cse9 .cse19) (and .cse10 .cse15 .cse4 .cse29 .cse6))) (and .cse10 .cse21 .cse4 .cse0 .cse9 .cse2) (and .cse15 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse19))) (and .cse23 .cse1 .cse13 .cse6 .cse27) (and .cse10 .cse4 .cse32 .cse29 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse27) (and .cse28 .cse4 .cse33 .cse13 .cse8 .cse2) (and .cse28 .cse16 .cse6 .cse7 .cse9 .cse2) (and .cse20 .cse0 .cse25 .cse16) (and .cse21 .cse28 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse33 .cse13 .cse19) (and .cse23 .cse1 .cse18 .cse14 .cse19) (and .cse20 .cse29 .cse16 .cse8) (and (or (and .cse34 .cse18 .cse32) (and .cse11 .cse4 .cse32 .cse33 .cse13)) .cse8) (and .cse15 .cse4 .cse26 .cse17) (and .cse15 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse35 .cse0 .cse5) (and .cse10 .cse15 .cse4 .cse0 .cse8) (and .cse14 .cse16 .cse6 .cse27) (and .cse21 .cse28 .cse4 .cse14) (and .cse34 (<= 143458 ~a29~0)) (and .cse1 .cse7 .cse2) (and .cse1 .cse26 .cse29 .cse2) (and .cse20 .cse0 .cse16 .cse6 .cse27) (and .cse11 .cse4 .cse18 .cse17 .cse8) (and .cse1 .cse18 .cse29 .cse2) (and .cse15 .cse3 .cse4 .cse33 .cse22 .cse13 .cse8) (and .cse11 .cse35 .cse4 .cse32 .cse29))))) [2021-10-28 09:10:18,864 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 09:10:18,864 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,865 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,866 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 09:10:18,866 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,866 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 09:10:18,866 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 09:10:18,866 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,866 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,867 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 09:10:18,868 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,869 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,870 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse38 (+ ~a4~0 86)) (.cse39 (+ ~a0~0 61))) (let ((.cse37 (<= (+ ~a29~0 16) 0)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse18 (<= 0 (+ ~a29~0 14))) (.cse28 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse22 (< 195721 ~a29~0)) (.cse36 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= .cse39 0)) (.cse10 (< 0 .cse38)) (.cse14 (= ~a2~0 1))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse25 (<= 0 (+ 141 ~a0~0))) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse23 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse26 (<= 0 (+ 97 ~a0~0))) (.cse35 (or (and .cse11 .cse28 .cse18 .cse4 .cse13) (and .cse28 .cse4 (or (and .cse13 .cse22) (and .cse10 .cse36 .cse13))))) (.cse21 (<= 28 ~a0~0)) (.cse7 (= 3 ~a2~0)) (.cse29 (<= 0 (+ 146 ~a0~0))) (.cse17 (< 0 .cse39)) (.cse0 (= 2 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse20 (<= .cse38 0)) (.cse33 (<= (+ ~a29~0 127) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (or .cse10 .cse36 .cse37)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse34 (or .cse10 .cse37)) (.cse19 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse27 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse0 .cse1 .cse15 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse13) (and .cse21 .cse4 .cse13 .cse22) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse23 .cse7) (and .cse18 .cse0 .cse1 .cse16) (and .cse17 .cse20 .cse8 .cse7) (and .cse4 .cse15 .cse5 .cse24 .cse25 .cse16) (and .cse10 .cse26 .cse4 .cse27 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse28 .cse18 .cse4 .cse29 .cse7 .cse2) (and (or (and .cse10 .cse18 .cse4 .cse29 .cse27) (and .cse4 .cse29 .cse27 .cse22)) .cse5) (and .cse30 (or (and .cse28 .cse4 .cse27 .cse25 .cse9 .cse16) (and .cse10 .cse28 .cse4 .cse27 .cse6))) (and .cse10 .cse18 .cse4 .cse0 .cse9 .cse2) (and .cse28 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse16))) (and .cse21 .cse1 .cse13 .cse6 .cse33) (and .cse10 .cse4 .cse32 .cse27 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse33) (and .cse26 .cse4 .cse34 .cse13 .cse8 .cse2) (and .cse26 .cse20 .cse6 .cse7 .cse9 .cse2) (and .cse11 .cse4 .cse15 .cse24 .cse8 .cse16) (and .cse17 .cse0 .cse23 .cse20) (and .cse11 .cse28 .cse4 .cse24 .cse8) (and .cse18 .cse26 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse34 .cse13 .cse16) (and .cse17 .cse27 .cse20 .cse8) (and (or (and .cse35 .cse15 .cse32) (and .cse11 .cse4 .cse32 .cse34 .cse13)) .cse8) (and .cse28 .cse4 .cse29 .cse24) (and .cse28 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse36 .cse0 .cse5) (and .cse10 .cse28 .cse4 .cse0 .cse8) (and .cse18 .cse26 .cse4 .cse14) (and .cse35 (<= 143458 ~a29~0)) (and .cse21 .cse1 .cse15 .cse14) (and .cse1 .cse7 .cse2) (and .cse1 .cse29 .cse27 .cse2) (and .cse17 .cse0 .cse20 .cse6 .cse33) (and .cse14 .cse20 .cse33) (and .cse1 .cse15 .cse27 .cse2) (and .cse28 .cse3 .cse4 .cse34 .cse19 .cse13 .cse8) (and .cse11 .cse36 .cse4 .cse32 .cse27))))) [2021-10-28 09:10:18,870 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,870 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 09:10:18,870 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 09:10:18,870 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,871 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,872 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,873 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,874 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,875 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,876 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,877 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 09:10:18,878 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,879 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,880 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,880 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse38 (+ ~a4~0 86)) (.cse39 (+ ~a0~0 61))) (let ((.cse37 (<= (+ ~a29~0 16) 0)) (.cse11 (<= 0 (+ 600000 ~a0~0))) (.cse18 (<= 0 (+ ~a29~0 14))) (.cse28 (<= (+ 104 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse22 (< 195721 ~a29~0)) (.cse36 (< 43 ~a29~0)) (.cse13 (= ~a2~0 4)) (.cse2 (<= .cse39 0)) (.cse10 (< 0 .cse38)) (.cse14 (= ~a2~0 1))) (let ((.cse12 (<= (+ 148 ~a0~0) 0)) (.cse25 (<= 0 (+ 141 ~a0~0))) (.cse31 (<= 0 (+ 126661 ~a29~0))) (.cse23 (<= 44 ~a29~0)) (.cse9 (<= ~a29~0 43)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (or (and .cse14 .cse2) (and .cse10 .cse14))) (.cse30 (<= 0 (+ 143 ~a0~0))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse26 (<= 0 (+ 97 ~a0~0))) (.cse35 (or (and .cse11 .cse28 .cse18 .cse4 .cse13) (and .cse28 .cse4 (or (and .cse13 .cse22) (and .cse10 .cse36 .cse13))))) (.cse21 (<= 28 ~a0~0)) (.cse7 (= 3 ~a2~0)) (.cse29 (<= 0 (+ 146 ~a0~0))) (.cse17 (< 0 .cse39)) (.cse0 (= 2 ~a2~0)) (.cse6 (<= 0 (+ 600001 ~a29~0))) (.cse20 (<= .cse38 0)) (.cse33 (<= (+ ~a29~0 127) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (or .cse10 .cse36 .cse37)) (.cse3 (<= 0 (+ 140 ~a0~0))) (.cse34 (or .cse10 .cse37)) (.cse19 (<= ~a29~0 42)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse32 (<= (+ ~a0~0 147) 0)) (.cse27 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (and .cse4 .cse8 .cse7 .cse9 .cse2) (and .cse10 .cse11 .cse12 .cse4 .cse13 .cse6) (and .cse1 .cse14 .cse2) (and .cse0 .cse1 .cse15 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse13) (and .cse21 .cse4 .cse13 .cse22) (and .cse12 .cse4 (<= 96176 ~a29~0) .cse7) (and .cse10 .cse12 .cse4 .cse23 .cse7) (and .cse18 .cse0 .cse1 .cse16) (and .cse17 .cse20 .cse8 .cse7) (and .cse4 .cse15 .cse5 .cse24 .cse25 .cse16) (and .cse10 .cse26 .cse4 .cse27 .cse8 .cse9 .cse2) (and .cse1 .cse6 .cse7) (and .cse28 .cse18 .cse4 .cse29 .cse7 .cse2) (and (or (and .cse10 .cse18 .cse4 .cse29 .cse27) (and .cse4 .cse29 .cse27 .cse22)) .cse5) (and .cse30 (or (and .cse28 .cse4 .cse27 .cse25 .cse9 .cse16) (and .cse10 .cse28 .cse4 .cse27 .cse6))) (and .cse10 .cse18 .cse4 .cse0 .cse9 .cse2) (and .cse28 .cse4 .cse31 .cse7 .cse9 .cse2) (and .cse32 (or (and .cse10 .cse11 .cse4 .cse0 .cse6) (and .cse10 .cse4 .cse0 .cse16))) (and .cse21 .cse1 .cse13 .cse6 .cse33) (and .cse10 .cse4 .cse32 .cse27 .cse8 .cse9) (and .cse10 .cse4 .cse0 .cse31 .cse33) (and .cse26 .cse4 .cse34 .cse13 .cse8 .cse2) (and .cse26 .cse20 .cse6 .cse7 .cse9 .cse2) (and .cse11 .cse4 .cse15 .cse24 .cse8 .cse16) (and .cse17 .cse0 .cse23 .cse20) (and .cse11 .cse28 .cse4 .cse24 .cse8) (and .cse18 .cse26 .cse4 .cse13 .cse2) (and .cse1 .cse13 .cse2) (and .cse4 .cse32 .cse6 .cse7 .cse9) (and .cse1 .cse34 .cse13 .cse16) (and .cse17 .cse27 .cse20 .cse8) (and (or (and .cse35 .cse15 .cse32) (and .cse11 .cse4 .cse32 .cse34 .cse13)) .cse8) (and .cse28 .cse4 .cse29 .cse24) (and .cse28 .cse30 .cse4 .cse6 .cse7 .cse2) (and .cse36 .cse0 .cse5) (and .cse10 .cse28 .cse4 .cse0 .cse8) (and .cse18 .cse26 .cse4 .cse14) (and .cse35 (<= 143458 ~a29~0)) (and .cse21 .cse1 .cse15 .cse14) (and .cse1 .cse7 .cse2) (and .cse1 .cse29 .cse27 .cse2) (and .cse17 .cse0 .cse20 .cse6 .cse33) (and .cse14 .cse20 .cse33) (and .cse1 .cse15 .cse27 .cse2) (and .cse28 .cse3 .cse4 .cse34 .cse19 .cse13 .cse8) (and .cse11 .cse36 .cse4 .cse32 .cse27))))) [2021-10-28 09:10:18,880 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:10:18,880 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,881 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 09:10:18,882 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:10:18,883 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 09:10:18,884 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,885 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,886 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,887 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 09:10:18,888 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 09:10:18,889 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 09:10:18,892 INFO L731 BasicCegarLoop]: Path program 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] [2021-10-28 09:10:18,894 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:10:18,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:10:18 BoogieIcfgContainer [2021-10-28 09:10:18,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:10:18,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:10:18,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:10:18,949 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:10:18,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:52" (3/4) ... [2021-10-28 09:10:18,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:10:18,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:10:18,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:10:18,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:10:18,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:10:19,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:10:19,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:10:19,221 INFO L168 Benchmark]: Toolchain (without parser) took 152196.00 ms. Allocated memory was 94.4 MB in the beginning and 5.4 GB in the end (delta: 5.3 GB). Free memory was 52.0 MB in the beginning and 3.9 GB in the end (delta: -3.9 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,221 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 73.8 MB in the beginning and 73.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:19,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1326.90 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 6.1 kB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 227.54 ms. Allocated memory is still 115.3 MB. Free memory was 51.8 MB in the beginning and 44.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,222 INFO L168 Benchmark]: Boogie Preprocessor took 268.63 ms. Allocated memory is still 115.3 MB. Free memory was 44.5 MB in the beginning and 45.3 MB in the end (delta: -796.4 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,223 INFO L168 Benchmark]: RCFGBuilder took 3419.89 ms. Allocated memory was 115.3 MB in the beginning and 199.2 MB in the end (delta: 83.9 MB). Free memory was 45.3 MB in the beginning and 83.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,223 INFO L168 Benchmark]: TraceAbstraction took 146673.86 ms. Allocated memory was 199.2 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 83.0 MB in the beginning and 4.0 GB in the end (delta: -3.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,223 INFO L168 Benchmark]: Witness Printer took 271.16 ms. Allocated memory is still 5.4 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:19,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 73.8 MB in the beginning and 73.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1326.90 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 6.1 kB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 227.54 ms. Allocated memory is still 115.3 MB. Free memory was 51.8 MB in the beginning and 44.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 268.63 ms. Allocated memory is still 115.3 MB. Free memory was 44.5 MB in the beginning and 45.3 MB in the end (delta: -796.4 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3419.89 ms. Allocated memory was 115.3 MB in the beginning and 199.2 MB in the end (delta: 83.9 MB). Free memory was 45.3 MB in the beginning and 83.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 146673.86 ms. Allocated memory was 199.2 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 83.0 MB in the beginning and 4.0 GB in the end (delta: -3.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. * Witness Printer took 271.16 ms. Allocated memory is still 5.4 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 146.5s, OverallIterations: 31, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 69.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 8769 SDtfs, 16314 SDslu, 1754 SDs, 0 SdLazy, 51242 SolverSat, 6033 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8536 GetRequests, 8434 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29101occurred in iteration=21, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 31 MinimizatonAttempts, 74620 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 345 NumberOfFragments, 4271 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5085541 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1056216 FormulaSimplificationTreeSizeReductionInter, 18.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 28.4s InterpolantComputationTime, 35089 NumberOfCodeBlocks, 35089 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 35049 ConstructedInterpolants, 0 QuantifiedInterpolants, 79496 SizeOfPredicates, 4 NumberOfNonLiveVariables, 10062 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 40 InterpolantComputations, 26 PerfectInterpolantSequences, 76402/78318 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((0 <= 600000 + a0 && 104 + a0 <= 0) && a4 + 86 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || ((((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((a2 == 1 && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= 600000 + a0 && 104 + a0 <= 0) && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || (((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((((0 <= 140 + a0 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 0 <= 600000 + a0) && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((2 == a2 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 0 <= a29 + 192415)) || ((((0 < a0 + 61 && 0 <= a29 + 14) && a29 <= 42) && a4 + 86 <= 0) && a2 == 4)) || (((28 <= a0 && 42 + a4 <= 0) && a2 == 4) && 195721 < a29)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 96176 <= a29) && 3 == a2)) || ((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 44 <= a29) && 3 == a2)) || (((0 <= a29 + 14 && 2 == a2) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && a4 + 86 <= 0) && 0 <= a29 + 143) && 3 == a2)) || (((((42 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 141 + a0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && 0 <= 97 + a0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || (((((104 + a0 <= 0 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) || (((42 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && 195721 < a29)) && 98 + a0 <= 0)) || (0 <= 143 + a0 && ((((((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && 0 <= 141 + a0) && a29 <= 43) && 0 <= a29 + 192415) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2) && 0 <= 600001 + a29)))) || (((((0 < a4 + 86 && 0 <= a29 + 14) && 42 + a4 <= 0) && 2 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 126661 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (((((0 < a4 + 86 && 0 <= 600000 + a0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 600001 + a29) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 192415)))) || ((((28 <= a0 && 89 + a4 <= 0) && a2 == 4) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 126661 + a29) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 143) && a0 + 61 <= 0)) || (((((0 <= 97 + a0 && a4 + 86 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || (((((0 <= 600000 + a0 && 42 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 2 == a2) && 44 <= a29) && a4 + 86 <= 0)) || ((((0 <= 600000 + a0 && 104 + a0 <= 0) && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 <= 43)) || (((89 + a4 <= 0 && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4) && 0 <= a29 + 192415)) || (((0 < a0 + 61 && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 143)) || (((((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a0 + 147 <= 0) || ((((0 <= 600000 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a2 == 4)) && 0 <= a29 + 143)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || (((((104 + a0 <= 0 && 0 <= 143 + a0) && 42 + a4 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a0 + 61 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 143)) || (((0 <= a29 + 14 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1)) || ((((((0 <= 600000 + a0 && 104 + a0 <= 0) && 0 <= a29 + 14) && 42 + a4 <= 0) && a2 == 4) || ((104 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 4 && 195721 < a29) || ((0 < a4 + 86 && 43 < a29) && a2 == 4)))) && 143458 <= a29)) || (((28 <= a0 && 89 + a4 <= 0) && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && a2 == 1)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 2 == a2) && a4 + 86 <= 0) && 0 <= 600001 + a29) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && ((0 < a4 + 86 || 43 < a29) || a29 + 16 <= 0)) && 5 <= a2) && a0 + 61 <= 0)) || ((((((104 + a0 <= 0 && 0 <= 140 + a0) && 42 + a4 <= 0) && (0 < a4 + 86 || a29 + 16 <= 0)) && a29 <= 42) && a2 == 4) && 0 <= a29 + 143)) || ((((0 <= 600000 + a0 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:10:19,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f03c484-511e-428d-b4c1-527824d8cb45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...