./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.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_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/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_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/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_c9646362-cc40-4ec6-8a32-082d38e103bd/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 fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:31:54,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:31:54,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:31:54,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:31:54,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:31:54,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:31:54,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:31:54,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:31:54,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:31:54,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:31:54,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:31:54,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:31:54,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:31:54,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:31:54,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:31:54,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:31:54,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:31:54,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:31:54,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:31:54,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:31:54,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:31:54,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:31:54,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:31:54,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:31:54,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:31:54,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:31:54,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:31:54,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:31:54,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:31:54,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:31:54,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:31:54,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:31:54,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:31:54,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:31:54,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:31:54,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:31:54,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:31:54,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:31:54,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:31:54,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:31:54,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:31:54,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:31:54,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:31:54,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:31:54,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:31:54,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:31:54,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:31:54,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:31:54,830 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:31:54,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:31:54,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:31:54,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:31:54,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:31:54,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:31:54,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:31:54,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:31:54,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:31:54,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:31:54,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:31:54,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:31:54,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:31:54,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:31:54,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:31:54,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:31:54,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:54,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:31:54,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:31:54,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:31:54,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:31:54,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:31:54,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:31:54,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:31:54,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:31:54,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:31:54,837 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_c9646362-cc40-4ec6-8a32-082d38e103bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a [2021-10-28 09:31:55,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:31:55,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:31:55,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:31:55,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:31:55,160 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:31:55,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-10-28 09:31:55,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/data/0d5a4fb11/cc5e4c9cf7c944cea39c440fe68a11c7/FLAG32ff7d613 [2021-10-28 09:31:55,914 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:31:55,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-10-28 09:31:55,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/data/0d5a4fb11/cc5e4c9cf7c944cea39c440fe68a11c7/FLAG32ff7d613 [2021-10-28 09:31:56,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/data/0d5a4fb11/cc5e4c9cf7c944cea39c440fe68a11c7 [2021-10-28 09:31:56,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:31:56,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:31:56,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:56,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:31:56,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:31:56,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:56" (1/1) ... [2021-10-28 09:31:56,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539696d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:56, skipping insertion in model container [2021-10-28 09:31:56,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:56" (1/1) ... [2021-10-28 09:31:56,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:31:56,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:31:56,459 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_c9646362-cc40-4ec6-8a32-082d38e103bd/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-10-28 09:31:56,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:56,971 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:31:57,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-10-28 09:31:57,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:57,249 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:31:57,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57 WrapperNode [2021-10-28 09:31:57,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:57,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:57,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:31:57,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:31:57,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:57,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:31:57,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:31:57,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:31:57,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:31:57,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:31:57,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:31:57,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:31:57,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (1/1) ... [2021-10-28 09:31:57,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:57,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:31:57,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:31:57,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:31:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:31:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:31:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:31:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:31:59,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:31:59,909 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:31:59,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:59 BoogieIcfgContainer [2021-10-28 09:31:59,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:31:59,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:31:59,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:31:59,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:31:59,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:31:56" (1/3) ... [2021-10-28 09:31:59,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232f176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:59, skipping insertion in model container [2021-10-28 09:31:59,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:57" (2/3) ... [2021-10-28 09:31:59,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232f176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:59, skipping insertion in model container [2021-10-28 09:31:59,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:59" (3/3) ... [2021-10-28 09:31:59,921 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label12.c [2021-10-28 09:31:59,928 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:31:59,928 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:31:59,979 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:31:59,986 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 09:31:59,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:32:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 09:32:00,017 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:00,018 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:00,018 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:00,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2021-10-28 09:32:00,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:00,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730371453] [2021-10-28 09:32:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:00,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,355 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 09:32:00,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730371453] [2021-10-28 09:32:00,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730371453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102674596] [2021-10-28 09:32:00,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:00,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:00,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:00,388 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states 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 09:32:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:04,227 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-10-28 09:32:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:32:04,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-28 09:32:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:04,253 INFO L225 Difference]: With dead ends: 1456 [2021-10-28 09:32:04,260 INFO L226 Difference]: Without dead ends: 991 [2021-10-28 09:32:04,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:04,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-10-28 09:32:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-10-28 09:32:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.4858585858585858) internal successors, (1471), 990 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states 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 09:32:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1471 transitions. [2021-10-28 09:32:04,413 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1471 transitions. Word has length 39 [2021-10-28 09:32:04,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:04,414 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1471 transitions. [2021-10-28 09:32:04,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states 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 09:32:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1471 transitions. [2021-10-28 09:32:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-28 09:32:04,420 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:04,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:04,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:32:04,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:04,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:04,423 INFO L85 PathProgramCache]: Analyzing trace with hash -586498173, now seen corresponding path program 1 times [2021-10-28 09:32:04,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:04,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404037122] [2021-10-28 09:32:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:04,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-28 09:32:04,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:04,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404037122] [2021-10-28 09:32:04,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404037122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:04,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:04,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:32:04,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130932171] [2021-10-28 09:32:04,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:04,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:04,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:04,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:04,645 INFO L87 Difference]: Start difference. First operand 991 states and 1471 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 09:32:06,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:06,298 INFO L93 Difference]: Finished difference Result 2309 states and 3726 transitions. [2021-10-28 09:32:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:06,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 126 [2021-10-28 09:32:06,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:06,310 INFO L225 Difference]: With dead ends: 2309 [2021-10-28 09:32:06,311 INFO L226 Difference]: Without dead ends: 1649 [2021-10-28 09:32:06,313 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 09:32:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-10-28 09:32:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-10-28 09:32:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.379247572815534) internal successors, (2273), 1648 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states 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 09:32:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2273 transitions. [2021-10-28 09:32:06,359 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2273 transitions. Word has length 126 [2021-10-28 09:32:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:06,361 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2273 transitions. [2021-10-28 09:32:06,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 09:32:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2273 transitions. [2021-10-28 09:32:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-28 09:32:06,379 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:06,380 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:32:06,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:32:06,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash 881646845, now seen corresponding path program 1 times [2021-10-28 09:32:06,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:06,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724095967] [2021-10-28 09:32:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:06,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:32:06,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:06,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724095967] [2021-10-28 09:32:06,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724095967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:06,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:06,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:32:06,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516143905] [2021-10-28 09:32:06,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:06,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:06,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:06,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:06,613 INFO L87 Difference]: Start difference. First operand 1649 states and 2273 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 09:32:08,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:08,174 INFO L93 Difference]: Finished difference Result 4283 states and 6132 transitions. [2021-10-28 09:32:08,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 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 205 [2021-10-28 09:32:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:08,192 INFO L225 Difference]: With dead ends: 4283 [2021-10-28 09:32:08,192 INFO L226 Difference]: Without dead ends: 2965 [2021-10-28 09:32:08,194 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 09:32:08,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-10-28 09:32:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2636. [2021-10-28 09:32:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3400379506641367) internal successors, (3531), 2635 states have internal predecessors, (3531), 0 states have call successors, (0), 0 states 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 09:32:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3531 transitions. [2021-10-28 09:32:08,263 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3531 transitions. Word has length 205 [2021-10-28 09:32:08,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:08,264 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3531 transitions. [2021-10-28 09:32:08,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 09:32:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3531 transitions. [2021-10-28 09:32:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-10-28 09:32:08,269 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:08,270 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:08,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:32:08,270 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:08,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 189897183, now seen corresponding path program 1 times [2021-10-28 09:32:08,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412360251] [2021-10-28 09:32:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 09:32:08,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:08,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412360251] [2021-10-28 09:32:08,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412360251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:08,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:08,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:32:08,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103970956] [2021-10-28 09:32:08,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:08,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:08,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:08,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:08,395 INFO L87 Difference]: Start difference. First operand 2636 states and 3531 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states 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 09:32:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:09,838 INFO L93 Difference]: Finished difference Result 5599 states and 7527 transitions. [2021-10-28 09:32:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 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 281 [2021-10-28 09:32:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:09,856 INFO L225 Difference]: With dead ends: 5599 [2021-10-28 09:32:09,856 INFO L226 Difference]: Without dead ends: 3294 [2021-10-28 09:32:09,859 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 09:32:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-28 09:32:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-10-28 09:32:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.2247191011235956) internal successors, (4033), 3293 states have internal predecessors, (4033), 0 states have call successors, (0), 0 states 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 09:32:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4033 transitions. [2021-10-28 09:32:09,934 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4033 transitions. Word has length 281 [2021-10-28 09:32:09,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:09,934 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4033 transitions. [2021-10-28 09:32:09,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states 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 09:32:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4033 transitions. [2021-10-28 09:32:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-10-28 09:32:09,944 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:09,945 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-28 09:32:09,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:32:09,945 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1532946731, now seen corresponding path program 1 times [2021-10-28 09:32:09,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:09,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100797996] [2021-10-28 09:32:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:09,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-10-28 09:32:10,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:10,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100797996] [2021-10-28 09:32:10,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100797996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:10,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:10,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:10,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076909847] [2021-10-28 09:32:10,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:10,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:10,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:10,112 INFO L87 Difference]: Start difference. First operand 3294 states and 4033 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states 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 09:32:11,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:11,345 INFO L93 Difference]: Finished difference Result 6586 states and 8076 transitions. [2021-10-28 09:32:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:11,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 458 [2021-10-28 09:32:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:11,365 INFO L225 Difference]: With dead ends: 6586 [2021-10-28 09:32:11,365 INFO L226 Difference]: Without dead ends: 3294 [2021-10-28 09:32:11,369 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 09:32:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-28 09:32:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-10-28 09:32:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.0567871242028546) internal successors, (3480), 3293 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states 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 09:32:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3480 transitions. [2021-10-28 09:32:11,443 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3480 transitions. Word has length 458 [2021-10-28 09:32:11,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:11,443 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 3480 transitions. [2021-10-28 09:32:11,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states 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 09:32:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3480 transitions. [2021-10-28 09:32:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-10-28 09:32:11,455 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:11,456 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:11,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:32:11,456 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:11,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1102512814, now seen corresponding path program 1 times [2021-10-28 09:32:11,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:11,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408356946] [2021-10-28 09:32:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:11,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 09:32:11,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:11,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408356946] [2021-10-28 09:32:11,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408356946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:11,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:11,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:11,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705211834] [2021-10-28 09:32:11,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:11,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:11,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:11,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:11,694 INFO L87 Difference]: Start difference. First operand 3294 states and 3480 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 09:32:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:13,525 INFO L93 Difference]: Finished difference Result 10865 states and 11555 transitions. [2021-10-28 09:32:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:32:13,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 510 [2021-10-28 09:32:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:13,564 INFO L225 Difference]: With dead ends: 10865 [2021-10-28 09:32:13,564 INFO L226 Difference]: Without dead ends: 7573 [2021-10-28 09:32:13,569 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2021-10-28 09:32:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 7242. [2021-10-28 09:32:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0552409888136998) internal successors, (7641), 7241 states have internal predecessors, (7641), 0 states have call successors, (0), 0 states 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 09:32:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7641 transitions. [2021-10-28 09:32:13,730 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7641 transitions. Word has length 510 [2021-10-28 09:32:13,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:13,731 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 7641 transitions. [2021-10-28 09:32:13,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 09:32:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7641 transitions. [2021-10-28 09:32:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-10-28 09:32:13,748 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:13,749 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:13,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:32:13,749 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:13,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash -451046307, now seen corresponding path program 1 times [2021-10-28 09:32:13,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:13,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011400239] [2021-10-28 09:32:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:13,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-10-28 09:32:14,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:14,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011400239] [2021-10-28 09:32:14,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011400239] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:14,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:14,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:32:14,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128959447] [2021-10-28 09:32:14,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:14,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:14,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:14,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:14,026 INFO L87 Difference]: Start difference. First operand 7242 states and 7641 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states 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 09:32:15,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:15,071 INFO L93 Difference]: Finished difference Result 16787 states and 17749 transitions. [2021-10-28 09:32:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:15,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 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 606 [2021-10-28 09:32:15,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:15,117 INFO L225 Difference]: With dead ends: 16787 [2021-10-28 09:32:15,118 INFO L226 Difference]: Without dead ends: 9876 [2021-10-28 09:32:15,126 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 09:32:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9876 states. [2021-10-28 09:32:15,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9876 to 9545. [2021-10-28 09:32:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0550083822296732) internal successors, (10069), 9544 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states 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 09:32:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10069 transitions. [2021-10-28 09:32:15,327 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10069 transitions. Word has length 606 [2021-10-28 09:32:15,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:15,328 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 10069 transitions. [2021-10-28 09:32:15,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states 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 09:32:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10069 transitions. [2021-10-28 09:32:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-10-28 09:32:15,348 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:15,349 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:15,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:32:15,349 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:15,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:15,350 INFO L85 PathProgramCache]: Analyzing trace with hash -720940559, now seen corresponding path program 1 times [2021-10-28 09:32:15,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:15,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555443273] [2021-10-28 09:32:15,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:15,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-10-28 09:32:15,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:15,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555443273] [2021-10-28 09:32:15,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555443273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:15,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:15,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:15,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190290699] [2021-10-28 09:32:15,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:15,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:15,600 INFO L87 Difference]: Start difference. First operand 9545 states and 10069 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states 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 09:32:16,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:16,762 INFO L93 Difference]: Finished difference Result 22378 states and 23757 transitions. [2021-10-28 09:32:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:16,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 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 614 [2021-10-28 09:32:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:16,787 INFO L225 Difference]: With dead ends: 22378 [2021-10-28 09:32:16,787 INFO L226 Difference]: Without dead ends: 13164 [2021-10-28 09:32:16,797 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 09:32:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-28 09:32:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-28 09:32:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0581174504292334) internal successors, (13928), 13163 states have internal predecessors, (13928), 0 states have call successors, (0), 0 states 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 09:32:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13928 transitions. [2021-10-28 09:32:17,011 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13928 transitions. Word has length 614 [2021-10-28 09:32:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:17,012 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13928 transitions. [2021-10-28 09:32:17,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states 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 09:32:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13928 transitions. [2021-10-28 09:32:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2021-10-28 09:32:17,029 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:17,030 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:17,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:32:17,031 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash -18969889, now seen corresponding path program 1 times [2021-10-28 09:32:17,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:17,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715273419] [2021-10-28 09:32:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:17,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1104 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-28 09:32:17,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:17,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715273419] [2021-10-28 09:32:17,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715273419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:17,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:17,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:17,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996255312] [2021-10-28 09:32:17,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:17,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:17,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:17,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:17,448 INFO L87 Difference]: Start difference. First operand 13164 states and 13928 transitions. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 09:32:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:18,543 INFO L93 Difference]: Finished difference Result 25668 states and 27187 transitions. [2021-10-28 09:32:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:18,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 871 [2021-10-28 09:32:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:18,566 INFO L225 Difference]: With dead ends: 25668 [2021-10-28 09:32:18,566 INFO L226 Difference]: Without dead ends: 13164 [2021-10-28 09:32:18,579 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:18,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-28 09:32:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-28 09:32:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0578895388589227) internal successors, (13925), 13163 states have internal predecessors, (13925), 0 states have call successors, (0), 0 states 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 09:32:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13925 transitions. [2021-10-28 09:32:18,868 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13925 transitions. Word has length 871 [2021-10-28 09:32:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:18,869 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13925 transitions. [2021-10-28 09:32:18,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 09:32:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13925 transitions. [2021-10-28 09:32:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2021-10-28 09:32:18,895 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:18,896 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:18,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:32:18,896 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:18,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:18,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2033206127, now seen corresponding path program 1 times [2021-10-28 09:32:18,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:18,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807586588] [2021-10-28 09:32:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:18,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2021-10-28 09:32:19,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:19,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807586588] [2021-10-28 09:32:19,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807586588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:19,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:19,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:19,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113210903] [2021-10-28 09:32:19,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:19,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:19,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:19,324 INFO L87 Difference]: Start difference. First operand 13164 states and 13925 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states 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 09:32:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:20,328 INFO L93 Difference]: Finished difference Result 28629 states and 30371 transitions. [2021-10-28 09:32:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 932 [2021-10-28 09:32:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:20,356 INFO L225 Difference]: With dead ends: 28629 [2021-10-28 09:32:20,357 INFO L226 Difference]: Without dead ends: 16125 [2021-10-28 09:32:20,370 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 09:32:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-28 09:32:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2021-10-28 09:32:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.046295098926678) internal successors, (16182), 15466 states have internal predecessors, (16182), 0 states have call successors, (0), 0 states 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 09:32:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 16182 transitions. [2021-10-28 09:32:20,586 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 16182 transitions. Word has length 932 [2021-10-28 09:32:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:20,587 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 16182 transitions. [2021-10-28 09:32:20,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states 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 09:32:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 16182 transitions. [2021-10-28 09:32:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2021-10-28 09:32:20,609 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:20,610 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, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:20,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:32:20,611 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:20,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:20,611 INFO L85 PathProgramCache]: Analyzing trace with hash -314106758, now seen corresponding path program 1 times [2021-10-28 09:32:20,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:20,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430313678] [2021-10-28 09:32:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:20,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 09:32:21,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:21,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430313678] [2021-10-28 09:32:21,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430313678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:21,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:21,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:21,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5026661] [2021-10-28 09:32:21,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:21,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:21,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:21,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:21,068 INFO L87 Difference]: Start difference. First operand 15467 states and 16182 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 09:32:22,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:22,158 INFO L93 Difference]: Finished difference Result 31590 states and 33080 transitions. [2021-10-28 09:32:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:22,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 933 [2021-10-28 09:32:22,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:22,181 INFO L225 Difference]: With dead ends: 31590 [2021-10-28 09:32:22,182 INFO L226 Difference]: Without dead ends: 16783 [2021-10-28 09:32:22,193 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 09:32:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-28 09:32:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-10-28 09:32:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.03870007442322) internal successors, (16748), 16124 states have internal predecessors, (16748), 0 states have call successors, (0), 0 states 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 09:32:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16748 transitions. [2021-10-28 09:32:22,477 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16748 transitions. Word has length 933 [2021-10-28 09:32:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:22,479 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16748 transitions. [2021-10-28 09:32:22,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 09:32:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16748 transitions. [2021-10-28 09:32:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2021-10-28 09:32:22,500 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:22,501 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:22,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:32:22,502 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:22,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -297321193, now seen corresponding path program 1 times [2021-10-28 09:32:22,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:22,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662772922] [2021-10-28 09:32:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:22,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1258 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2021-10-28 09:32:22,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:22,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662772922] [2021-10-28 09:32:22,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662772922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:22,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:22,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:22,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216747721] [2021-10-28 09:32:22,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:22,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:22,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:22,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:22,984 INFO L87 Difference]: Start difference. First operand 16125 states and 16748 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states 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 09:32:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:24,050 INFO L93 Difference]: Finished difference Result 31919 states and 33160 transitions. [2021-10-28 09:32:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:24,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 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 962 [2021-10-28 09:32:24,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:24,074 INFO L225 Difference]: With dead ends: 31919 [2021-10-28 09:32:24,074 INFO L226 Difference]: Without dead ends: 16125 [2021-10-28 09:32:24,083 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 09:32:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-28 09:32:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-10-28 09:32:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.02880658436214) internal successors, (16250), 15795 states have internal predecessors, (16250), 0 states have call successors, (0), 0 states 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 09:32:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16250 transitions. [2021-10-28 09:32:24,313 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16250 transitions. Word has length 962 [2021-10-28 09:32:24,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:24,314 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16250 transitions. [2021-10-28 09:32:24,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states 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 09:32:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16250 transitions. [2021-10-28 09:32:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-10-28 09:32:24,336 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:24,337 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:24,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:32:24,337 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:24,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:24,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1110562052, now seen corresponding path program 1 times [2021-10-28 09:32:24,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:24,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310015628] [2021-10-28 09:32:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:24,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2181 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 1960 trivial. 0 not checked. [2021-10-28 09:32:24,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:24,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310015628] [2021-10-28 09:32:24,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310015628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:24,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:24,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:24,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560374746] [2021-10-28 09:32:24,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:24,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:24,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:24,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:24,865 INFO L87 Difference]: Start difference. First operand 15796 states and 16250 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:25,865 INFO L93 Difference]: Finished difference Result 32906 states and 33892 transitions. [2021-10-28 09:32:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:25,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1020 [2021-10-28 09:32:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:25,884 INFO L225 Difference]: With dead ends: 32906 [2021-10-28 09:32:25,884 INFO L226 Difference]: Without dead ends: 17770 [2021-10-28 09:32:25,891 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 09:32:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-28 09:32:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-10-28 09:32:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0288990825688074) internal successors, (17944), 17440 states have internal predecessors, (17944), 0 states have call successors, (0), 0 states 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 09:32:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17944 transitions. [2021-10-28 09:32:26,239 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17944 transitions. Word has length 1020 [2021-10-28 09:32:26,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:26,240 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17944 transitions. [2021-10-28 09:32:26,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17944 transitions. [2021-10-28 09:32:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2021-10-28 09:32:26,269 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:26,271 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, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:26,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:32:26,271 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:26,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash 64901029, now seen corresponding path program 1 times [2021-10-28 09:32:26,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:26,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010230404] [2021-10-28 09:32:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:26,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 939 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2021-10-28 09:32:26,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:26,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010230404] [2021-10-28 09:32:26,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010230404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:26,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:26,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:26,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927377422] [2021-10-28 09:32:26,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:26,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:26,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:26,884 INFO L87 Difference]: Start difference. First operand 17441 states and 17944 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 09:32:27,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:27,811 INFO L93 Difference]: Finished difference Result 34222 states and 35222 transitions. [2021-10-28 09:32:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:27,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 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 1114 [2021-10-28 09:32:27,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:27,827 INFO L225 Difference]: With dead ends: 34222 [2021-10-28 09:32:27,827 INFO L226 Difference]: Without dead ends: 17441 [2021-10-28 09:32:27,837 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 09:32:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-28 09:32:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-10-28 09:32:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0251300333119047) internal successors, (17541), 17111 states have internal predecessors, (17541), 0 states have call successors, (0), 0 states 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 09:32:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17541 transitions. [2021-10-28 09:32:28,117 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17541 transitions. Word has length 1114 [2021-10-28 09:32:28,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:28,119 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17541 transitions. [2021-10-28 09:32:28,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 09:32:28,119 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17541 transitions. [2021-10-28 09:32:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2021-10-28 09:32:28,159 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:28,160 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:28,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:32:28,161 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:28,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1991660531, now seen corresponding path program 1 times [2021-10-28 09:32:28,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:28,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734481339] [2021-10-28 09:32:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:28,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2860 backedges. 1118 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-28 09:32:28,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:28,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734481339] [2021-10-28 09:32:28,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734481339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:28,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:28,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:28,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983760549] [2021-10-28 09:32:28,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:28,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:28,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:28,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:28,748 INFO L87 Difference]: Start difference. First operand 17112 states and 17541 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states 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 09:32:29,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:29,801 INFO L93 Difference]: Finished difference Result 33893 states and 34749 transitions. [2021-10-28 09:32:29,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:29,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 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 1272 [2021-10-28 09:32:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:29,822 INFO L225 Difference]: With dead ends: 33893 [2021-10-28 09:32:29,822 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:32:29,832 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 09:32:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:32:29,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-10-28 09:32:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.021974168663433) internal successors, (17487), 17111 states have internal predecessors, (17487), 0 states have call successors, (0), 0 states 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 09:32:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17487 transitions. [2021-10-28 09:32:30,032 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17487 transitions. Word has length 1272 [2021-10-28 09:32:30,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:30,033 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17487 transitions. [2021-10-28 09:32:30,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states 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 09:32:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17487 transitions. [2021-10-28 09:32:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2021-10-28 09:32:30,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:30,061 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2021-10-28 09:32:30,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:32:30,061 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1493056288, now seen corresponding path program 1 times [2021-10-28 09:32:30,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:30,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941645242] [2021-10-28 09:32:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:30,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3896 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-10-28 09:32:30,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:30,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941645242] [2021-10-28 09:32:30,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941645242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:30,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:30,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:30,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537324299] [2021-10-28 09:32:30,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:30,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:30,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:30,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:30,748 INFO L87 Difference]: Start difference. First operand 17112 states and 17487 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states 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 09:32:31,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:31,787 INFO L93 Difference]: Finished difference Result 37183 states and 38042 transitions. [2021-10-28 09:32:31,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:31,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 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 1320 [2021-10-28 09:32:31,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:31,800 INFO L225 Difference]: With dead ends: 37183 [2021-10-28 09:32:31,800 INFO L226 Difference]: Without dead ends: 18428 [2021-10-28 09:32:31,809 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 09:32:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-10-28 09:32:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 16454. [2021-10-28 09:32:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0203610283838813) internal successors, (16788), 16453 states have internal predecessors, (16788), 0 states have call successors, (0), 0 states 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 09:32:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16788 transitions. [2021-10-28 09:32:32,096 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16788 transitions. Word has length 1320 [2021-10-28 09:32:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:32,097 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16788 transitions. [2021-10-28 09:32:32,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states 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 09:32:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16788 transitions. [2021-10-28 09:32:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2021-10-28 09:32:32,137 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:32,139 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 09:32:32,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:32:32,139 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:32,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:32,140 INFO L85 PathProgramCache]: Analyzing trace with hash 784935058, now seen corresponding path program 1 times [2021-10-28 09:32:32,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:32,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409941973] [2021-10-28 09:32:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:32,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3509 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2021-10-28 09:32:32,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:32,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409941973] [2021-10-28 09:32:32,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409941973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:32,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:32,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:32,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122370711] [2021-10-28 09:32:32,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:32,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:32,978 INFO L87 Difference]: Start difference. First operand 16454 states and 16788 transitions. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 09:32:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:33,940 INFO L93 Difference]: Finished difference Result 32248 states and 32912 transitions. [2021-10-28 09:32:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:33,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 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 1811 [2021-10-28 09:32:33,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:33,951 INFO L225 Difference]: With dead ends: 32248 [2021-10-28 09:32:33,951 INFO L226 Difference]: Without dead ends: 16454 [2021-10-28 09:32:33,957 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 09:32:33,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-28 09:32:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15467. [2021-10-28 09:32:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0177809388335703) internal successors, (15741), 15466 states have internal predecessors, (15741), 0 states have call successors, (0), 0 states 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 09:32:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15741 transitions. [2021-10-28 09:32:34,121 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15741 transitions. Word has length 1811 [2021-10-28 09:32:34,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:34,123 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15741 transitions. [2021-10-28 09:32:34,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 09:32:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15741 transitions. [2021-10-28 09:32:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1860 [2021-10-28 09:32:34,177 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:34,178 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-10-28 09:32:34,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:32:34,179 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:34,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1186956703, now seen corresponding path program 1 times [2021-10-28 09:32:34,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:34,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843641679] [2021-10-28 09:32:34,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:34,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 4035 proven. 0 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2021-10-28 09:32:35,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:35,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843641679] [2021-10-28 09:32:35,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843641679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:35,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:35,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:35,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772075719] [2021-10-28 09:32:35,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:35,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:35,092 INFO L87 Difference]: Start difference. First operand 15467 states and 15741 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states 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 09:32:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:36,058 INFO L93 Difference]: Finished difference Result 30603 states and 31149 transitions. [2021-10-28 09:32:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:36,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 1859 [2021-10-28 09:32:36,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:36,067 INFO L225 Difference]: With dead ends: 30603 [2021-10-28 09:32:36,067 INFO L226 Difference]: Without dead ends: 15796 [2021-10-28 09:32:36,071 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 09:32:36,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-10-28 09:32:36,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-10-28 09:32:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.017283950617284) internal successors, (16068), 15795 states have internal predecessors, (16068), 0 states have call successors, (0), 0 states 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 09:32:36,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16068 transitions. [2021-10-28 09:32:36,194 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16068 transitions. Word has length 1859 [2021-10-28 09:32:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:36,195 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16068 transitions. [2021-10-28 09:32:36,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states 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 09:32:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16068 transitions. [2021-10-28 09:32:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1883 [2021-10-28 09:32:36,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:36,233 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:36,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:32:36,234 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:36,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash -80094066, now seen corresponding path program 1 times [2021-10-28 09:32:36,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:36,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124636485] [2021-10-28 09:32:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:36,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6522 backedges. 3423 proven. 0 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2021-10-28 09:32:36,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:36,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124636485] [2021-10-28 09:32:36,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124636485] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:36,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:36,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:36,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645301453] [2021-10-28 09:32:36,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:36,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:36,959 INFO L87 Difference]: Start difference. First operand 15796 states and 16068 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states 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 09:32:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:37,887 INFO L93 Difference]: Finished difference Result 34222 states and 34811 transitions. [2021-10-28 09:32:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:37,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 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 1882 [2021-10-28 09:32:37,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:37,898 INFO L225 Difference]: With dead ends: 34222 [2021-10-28 09:32:37,898 INFO L226 Difference]: Without dead ends: 19086 [2021-10-28 09:32:37,909 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 09:32:37,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2021-10-28 09:32:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 16783. [2021-10-28 09:32:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0168037182695746) internal successors, (17064), 16782 states have internal predecessors, (17064), 0 states have call successors, (0), 0 states 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 09:32:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17064 transitions. [2021-10-28 09:32:38,138 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17064 transitions. Word has length 1882 [2021-10-28 09:32:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:38,139 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17064 transitions. [2021-10-28 09:32:38,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states 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 09:32:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17064 transitions. [2021-10-28 09:32:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1924 [2021-10-28 09:32:38,172 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:38,173 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:32:38,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 09:32:38,173 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:38,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:38,174 INFO L85 PathProgramCache]: Analyzing trace with hash -927463774, now seen corresponding path program 1 times [2021-10-28 09:32:38,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:38,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134757311] [2021-10-28 09:32:38,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:38,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 1843 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-10-28 09:32:39,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:39,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134757311] [2021-10-28 09:32:39,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134757311] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:39,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:39,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:32:39,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428874616] [2021-10-28 09:32:39,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:39,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:39,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:39,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:39,137 INFO L87 Difference]: Start difference. First operand 16783 states and 17064 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states 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 09:32:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:40,530 INFO L93 Difference]: Finished difference Result 35536 states and 36134 transitions. [2021-10-28 09:32:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:32:40,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 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 1923 [2021-10-28 09:32:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:40,532 INFO L225 Difference]: With dead ends: 35536 [2021-10-28 09:32:40,532 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:32:40,539 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 09:32:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:32:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:32:40,540 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 09:32:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:32:40,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1923 [2021-10-28 09:32:40,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:40,540 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:32:40,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states 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 09:32:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:32:40,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:32:40,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:32:40,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:32:40,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:32:40,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:40,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:40,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:41,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:43,703 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,703 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,703 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,703 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,704 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 09:32:43,705 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,706 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,707 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,708 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,709 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:32:43,710 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 09:32:43,711 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 09:32:43,711 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,711 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,711 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,711 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,712 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,713 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,714 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,715 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,716 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,717 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,718 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 09:32:43,719 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,719 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 09:32:43,719 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,719 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,719 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,719 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:32:43,720 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 09:32:43,721 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,722 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 09:32:43,723 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,724 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,725 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:32:43,726 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2021-10-28 09:32:43,727 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 09:32:43,727 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,727 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,727 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,727 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,728 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 09:32:43,729 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,730 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,731 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:32:43,732 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,733 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,734 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,735 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,736 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,737 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,738 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,739 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 09:32:43,740 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,741 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,742 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,743 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,744 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,745 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,746 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,747 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,748 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,749 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,750 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,751 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,752 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,753 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,754 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,755 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,756 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:32:43,757 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 09:32:43,758 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 09:32:43,760 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] [2021-10-28 09:32:43,762 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:32:43,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:32:43 BoogieIcfgContainer [2021-10-28 09:32:43,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:32:43,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:32:43,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:32:43,809 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:32:43,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:59" (3/4) ... [2021-10-28 09:32:43,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:32:43,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:32:43,857 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:32:43,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:32:43,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:32:44,096 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:32:44,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:32:44,098 INFO L168 Benchmark]: Toolchain (without parser) took 48037.16 ms. Allocated memory was 107.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 62.5 MB in the beginning and 530.8 MB in the end (delta: -468.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 83.5 MB in the beginning and 83.4 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:44,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1187.70 ms. Allocated memory was 107.0 MB in the beginning and 148.9 MB in the end (delta: 41.9 MB). Free memory was 62.3 MB in the beginning and 102.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.76 ms. Allocated memory is still 148.9 MB. Free memory was 101.3 MB in the beginning and 78.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,100 INFO L168 Benchmark]: Boogie Preprocessor took 182.96 ms. Allocated memory is still 148.9 MB. Free memory was 78.2 MB in the beginning and 64.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,100 INFO L168 Benchmark]: RCFGBuilder took 2290.77 ms. Allocated memory was 148.9 MB in the beginning and 226.5 MB in the end (delta: 77.6 MB). Free memory was 64.7 MB in the beginning and 133.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,101 INFO L168 Benchmark]: TraceAbstraction took 43893.85 ms. Allocated memory was 226.5 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 133.8 MB in the beginning and 569.6 MB in the end (delta: -435.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,101 INFO L168 Benchmark]: Witness Printer took 287.26 ms. Allocated memory is still 1.8 GB. Free memory was 569.6 MB in the beginning and 530.8 MB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:44,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 83.5 MB in the beginning and 83.4 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1187.70 ms. Allocated memory was 107.0 MB in the beginning and 148.9 MB in the end (delta: 41.9 MB). Free memory was 62.3 MB in the beginning and 102.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 184.76 ms. Allocated memory is still 148.9 MB. Free memory was 101.3 MB in the beginning and 78.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 182.96 ms. Allocated memory is still 148.9 MB. Free memory was 78.2 MB in the beginning and 64.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2290.77 ms. Allocated memory was 148.9 MB in the beginning and 226.5 MB in the end (delta: 77.6 MB). Free memory was 64.7 MB in the beginning and 133.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43893.85 ms. Allocated memory was 226.5 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 133.8 MB in the beginning and 569.6 MB in the end (delta: -435.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 287.26 ms. Allocated memory is still 1.8 GB. Free memory was 569.6 MB in the beginning and 530.8 MB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 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: 134]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.7s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 26.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5272 SDtfs, 5182 SDslu, 140 SDs, 0 SdLazy, 19312 SolverSat, 2789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17441occurred in iteration=13, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 8558 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 217 NumberOfFragments, 1069 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7245 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2820 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 18738 NumberOfCodeBlocks, 18738 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 18718 ConstructedInterpolants, 0 QuantifiedInterpolants, 34160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 47506/47506 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:32:44,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9646362-cc40-4ec6-8a32-082d38e103bd/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...