./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label29.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX --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 f9c1e0b37b12bd19a739c1b576b58407be1edf573bdc02c417f3f8dfb7a5931f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:42:49,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:42:49,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:42:49,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:42:49,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:42:49,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:42:49,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:42:49,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:42:49,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:42:49,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:42:49,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:42:49,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:42:49,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:42:49,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:42:49,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:42:49,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:42:49,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:42:49,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:42:49,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:42:49,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:42:49,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:42:49,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:42:49,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:42:49,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:42:49,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:42:49,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:42:49,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:42:49,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:42:49,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:42:49,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:42:49,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:42:49,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:42:49,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:42:49,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:42:49,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:42:49,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:42:49,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:42:49,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:42:49,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:42:49,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:42:49,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:42:49,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 10:42:49,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:42:49,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:42:49,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:42:49,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:42:49,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:42:49,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:42:49,945 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:42:49,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:42:49,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:42:49,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:42:49,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:42:49,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:42:49,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 10:42:49,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:42:49,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 10:42:49,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:42:49,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:42:49,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:42:49,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 10:42:49,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:42:49,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:42:49,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:42:49,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:42:49,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:42:49,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:42:49,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 10:42:49,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:42:49,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:42:49,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 10:42:49,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 10:42:49,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 10:42:49,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:42:49,954 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_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c1e0b37b12bd19a739c1b576b58407be1edf573bdc02c417f3f8dfb7a5931f [2021-11-09 10:42:50,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:42:50,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:42:50,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:42:50,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:42:50,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:42:50,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem16_label29.c [2021-11-09 10:42:50,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/data/7b46e876a/db1834a8f0b8413dac0bd095d97116d3/FLAG02b218105 [2021-11-09 10:42:51,138 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:42:51,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/sv-benchmarks/c/eca-rers2012/Problem16_label29.c [2021-11-09 10:42:51,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/data/7b46e876a/db1834a8f0b8413dac0bd095d97116d3/FLAG02b218105 [2021-11-09 10:42:51,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/data/7b46e876a/db1834a8f0b8413dac0bd095d97116d3 [2021-11-09 10:42:51,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:42:51,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:42:51,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:51,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:42:51,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:42:51,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:51" (1/1) ... [2021-11-09 10:42:51,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7181d775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:51, skipping insertion in model container [2021-11-09 10:42:51,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:51" (1/1) ... [2021-11-09 10:42:51,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:42:51,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:42:51,547 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_35013ff9-9663-4bbb-9767-65ad69d72bca/sv-benchmarks/c/eca-rers2012/Problem16_label29.c[4907,4920] [2021-11-09 10:42:52,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:52,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:42:52,041 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_35013ff9-9663-4bbb-9767-65ad69d72bca/sv-benchmarks/c/eca-rers2012/Problem16_label29.c[4907,4920] [2021-11-09 10:42:52,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:52,262 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:42:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52 WrapperNode [2021-11-09 10:42:52,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:52,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:42:52,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:42:52,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:42:52,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:42:52,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:42:52,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:42:52,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:42:52,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:42:52,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:42:52,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:42:52,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:42:52,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (1/1) ... [2021-11-09 10:42:52,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:42:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:42:52,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 10:42:52,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 10:42:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:42:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:42:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:42:52,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:42:55,490 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:42:55,491 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-09 10:42:55,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:55 BoogieIcfgContainer [2021-11-09 10:42:55,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:42:55,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 10:42:55,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 10:42:55,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 10:42:55,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:42:51" (1/3) ... [2021-11-09 10:42:55,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320dd1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:55, skipping insertion in model container [2021-11-09 10:42:55,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:52" (2/3) ... [2021-11-09 10:42:55,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320dd1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:55, skipping insertion in model container [2021-11-09 10:42:55,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:55" (3/3) ... [2021-11-09 10:42:55,507 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label29.c [2021-11-09 10:42:55,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 10:42:55,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 10:42:55,586 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 10:42:55,596 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 10:42:55,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 10:42:55,634 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) [2021-11-09 10:42:55,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-09 10:42:55,641 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:42:55,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:55,672 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:42:55,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:55,685 INFO L85 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2021-11-09 10:42:55,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:55,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497431497] [2021-11-09 10:42:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:55,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:56,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:56,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497431497] [2021-11-09 10:42:56,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497431497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:56,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:56,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:42:56,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870177893] [2021-11-09 10:42:56,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:42:56,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:56,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:42:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:42:56,090 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 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:42:59,649 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-11-09 10:42:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:42:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2021-11-09 10:42:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:42:59,673 INFO L225 Difference]: With dead ends: 1456 [2021-11-09 10:42:59,674 INFO L226 Difference]: Without dead ends: 991 [2021-11-09 10:42:59,679 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:42:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-11-09 10:42:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-11-09 10:42:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2021-11-09 10:42:59,778 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 46 [2021-11-09 10:42:59,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:42:59,779 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2021-11-09 10:42:59,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2021-11-09 10:42:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-09 10:42:59,798 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:42:59,799 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 10:42:59,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 10:42:59,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:42:59,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:59,800 INFO L85 PathProgramCache]: Analyzing trace with hash 875272674, now seen corresponding path program 1 times [2021-11-09 10:42:59,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:59,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586547023] [2021-11-09 10:42:59,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:59,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:43:00,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:00,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586547023] [2021-11-09 10:43:00,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586547023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:00,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:00,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:00,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985144873] [2021-11-09 10:43:00,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:00,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:00,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:00,112 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:01,614 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2021-11-09 10:43:01,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:01,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-11-09 10:43:01,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:01,624 INFO L225 Difference]: With dead ends: 1980 [2021-11-09 10:43:01,625 INFO L226 Difference]: Without dead ends: 1320 [2021-11-09 10:43:01,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-11-09 10:43:01,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-11-09 10:43:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2021-11-09 10:43:01,672 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 236 [2021-11-09 10:43:01,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:01,673 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2021-11-09 10:43:01,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2021-11-09 10:43:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-09 10:43:01,681 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:01,682 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 10:43:01,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 10:43:01,682 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:01,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash 918462516, now seen corresponding path program 1 times [2021-11-09 10:43:01,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:01,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969503149] [2021-11-09 10:43:01,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:01,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-09 10:43:01,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:01,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969503149] [2021-11-09 10:43:01,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969503149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:01,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:01,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 10:43:01,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557614265] [2021-11-09 10:43:01,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:01,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:01,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:01,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:01,822 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:03,583 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2021-11-09 10:43:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:03,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 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 239 [2021-11-09 10:43:03,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:03,598 INFO L225 Difference]: With dead ends: 3296 [2021-11-09 10:43:03,598 INFO L226 Difference]: Without dead ends: 1978 [2021-11-09 10:43:03,600 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 [2021-11-09 10:43:03,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-11-09 10:43:03,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-11-09 10:43:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2021-11-09 10:43:03,652 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 239 [2021-11-09 10:43:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:03,654 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2021-11-09 10:43:03,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2021-11-09 10:43:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-09 10:43:03,662 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:03,663 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:03,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 10:43:03,663 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash 133239251, now seen corresponding path program 1 times [2021-11-09 10:43:03,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:03,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567145969] [2021-11-09 10:43:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:03,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-09 10:43:03,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:03,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567145969] [2021-11-09 10:43:03,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567145969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:03,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:03,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 10:43:03,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212143751] [2021-11-09 10:43:03,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:03,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:03,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:03,876 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:04,940 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2021-11-09 10:43:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:04,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 365 [2021-11-09 10:43:04,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:04,954 INFO L225 Difference]: With dead ends: 3954 [2021-11-09 10:43:04,954 INFO L226 Difference]: Without dead ends: 2307 [2021-11-09 10:43:04,957 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 [2021-11-09 10:43:04,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-11-09 10:43:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-11-09 10:43:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2021-11-09 10:43:05,022 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 365 [2021-11-09 10:43:05,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:05,022 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2021-11-09 10:43:05,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2021-11-09 10:43:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2021-11-09 10:43:05,043 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:05,043 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:05,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 10:43:05,044 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:05,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1073742363, now seen corresponding path program 1 times [2021-11-09 10:43:05,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:05,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359768394] [2021-11-09 10:43:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:05,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 643 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-09 10:43:05,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:05,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359768394] [2021-11-09 10:43:05,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359768394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:05,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:05,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:05,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749023106] [2021-11-09 10:43:05,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:43:05,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:05,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:43:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:43:05,443 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:07,350 INFO L93 Difference]: Finished difference Result 7902 states and 8695 transitions. [2021-11-09 10:43:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:43:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 623 [2021-11-09 10:43:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:07,381 INFO L225 Difference]: With dead ends: 7902 [2021-11-09 10:43:07,382 INFO L226 Difference]: Without dead ends: 5926 [2021-11-09 10:43:07,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:43:07,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2021-11-09 10:43:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5597. [2021-11-09 10:43:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0804145818441744) internal successors, (6046), 5596 states have internal predecessors, (6046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6046 transitions. [2021-11-09 10:43:07,529 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6046 transitions. Word has length 623 [2021-11-09 10:43:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:07,530 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6046 transitions. [2021-11-09 10:43:07,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6046 transitions. [2021-11-09 10:43:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2021-11-09 10:43:07,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:07,556 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:07,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 10:43:07,557 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:07,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:07,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1869109657, now seen corresponding path program 1 times [2021-11-09 10:43:07,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:07,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109596113] [2021-11-09 10:43:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:07,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 714 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-09 10:43:07,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:07,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109596113] [2021-11-09 10:43:07,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109596113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:07,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:07,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 10:43:07,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251562629] [2021-11-09 10:43:07,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:07,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:07,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:07,799 INFO L87 Difference]: Start difference. First operand 5597 states and 6046 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:08,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:08,944 INFO L93 Difference]: Finished difference Result 13166 states and 14283 transitions. [2021-11-09 10:43:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:08,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 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 719 [2021-11-09 10:43:08,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:08,995 INFO L225 Difference]: With dead ends: 13166 [2021-11-09 10:43:08,995 INFO L226 Difference]: Without dead ends: 7900 [2021-11-09 10:43:09,002 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 [2021-11-09 10:43:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2021-11-09 10:43:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7571. [2021-11-09 10:43:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.080317040951123) internal successors, (8178), 7570 states have internal predecessors, (8178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8178 transitions. [2021-11-09 10:43:09,191 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8178 transitions. Word has length 719 [2021-11-09 10:43:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:09,192 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 8178 transitions. [2021-11-09 10:43:09,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8178 transitions. [2021-11-09 10:43:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2021-11-09 10:43:09,207 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:09,208 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:09,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 10:43:09,208 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:09,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash 913876400, now seen corresponding path program 1 times [2021-11-09 10:43:09,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:09,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466479187] [2021-11-09 10:43:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:09,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 1175 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2021-11-09 10:43:09,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:09,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466479187] [2021-11-09 10:43:09,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466479187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:09,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:09,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:09,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083957957] [2021-11-09 10:43:09,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:09,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:09,532 INFO L87 Difference]: Start difference. First operand 7571 states and 8178 transitions. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:10,728 INFO L93 Difference]: Finished difference Result 18430 states and 20009 transitions. [2021-11-09 10:43:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:10,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 794 [2021-11-09 10:43:10,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:10,781 INFO L225 Difference]: With dead ends: 18430 [2021-11-09 10:43:10,781 INFO L226 Difference]: Without dead ends: 11519 [2021-11-09 10:43:10,790 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-11-09 10:43:10,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11519. [2021-11-09 10:43:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0764889737801702) internal successors, (12399), 11518 states have internal predecessors, (12399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12399 transitions. [2021-11-09 10:43:11,017 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12399 transitions. Word has length 794 [2021-11-09 10:43:11,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:11,018 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 12399 transitions. [2021-11-09 10:43:11,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12399 transitions. [2021-11-09 10:43:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2021-11-09 10:43:11,041 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:11,042 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:11,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 10:43:11,042 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:11,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1809780990, now seen corresponding path program 1 times [2021-11-09 10:43:11,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:11,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772847316] [2021-11-09 10:43:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:11,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 1462 proven. 0 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2021-11-09 10:43:11,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:11,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772847316] [2021-11-09 10:43:11,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772847316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:11,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:11,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:11,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634377887] [2021-11-09 10:43:11,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:43:11,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:43:11,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:43:11,576 INFO L87 Difference]: Start difference. First operand 11519 states and 12399 transitions. Second operand has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:12,644 INFO L93 Difference]: Finished difference Result 22378 states and 24129 transitions. [2021-11-09 10:43:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:12,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 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 1051 [2021-11-09 10:43:12,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:12,676 INFO L225 Difference]: With dead ends: 22378 [2021-11-09 10:43:12,676 INFO L226 Difference]: Without dead ends: 11519 [2021-11-09 10:43:12,689 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:43:12,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-11-09 10:43:12,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11519. [2021-11-09 10:43:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0762285118944261) internal successors, (12396), 11518 states have internal predecessors, (12396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12396 transitions. [2021-11-09 10:43:12,883 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12396 transitions. Word has length 1051 [2021-11-09 10:43:12,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:12,884 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 12396 transitions. [2021-11-09 10:43:12,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12396 transitions. [2021-11-09 10:43:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2021-11-09 10:43:12,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:12,964 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:12,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 10:43:12,964 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:12,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1867606762, now seen corresponding path program 1 times [2021-11-09 10:43:12,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:12,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031872897] [2021-11-09 10:43:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:12,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 1305 proven. 157 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2021-11-09 10:43:13,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:13,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031872897] [2021-11-09 10:43:13,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031872897] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:43:13,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469990900] [2021-11-09 10:43:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:13,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:13,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:43:13,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:43:13,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 10:43:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:13,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:43:13,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:43:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 2012 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-11-09 10:43:16,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469990900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:16,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:43:16,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-09 10:43:16,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893963616] [2021-11-09 10:43:16,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:16,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:16,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:16,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:16,172 INFO L87 Difference]: Start difference. First operand 11519 states and 12396 transitions. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:17,302 INFO L93 Difference]: Finished difference Result 25339 states and 27347 transitions. [2021-11-09 10:43:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:17,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 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 1059 [2021-11-09 10:43:17,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:17,361 INFO L225 Difference]: With dead ends: 25339 [2021-11-09 10:43:17,361 INFO L226 Difference]: Without dead ends: 14480 [2021-11-09 10:43:17,372 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1063 GetRequests, 1058 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-11-09 10:43:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13164. [2021-11-09 10:43:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0799209906556255) internal successors, (14215), 13163 states have internal predecessors, (14215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14215 transitions. [2021-11-09 10:43:17,641 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14215 transitions. Word has length 1059 [2021-11-09 10:43:17,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:17,642 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14215 transitions. [2021-11-09 10:43:17,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14215 transitions. [2021-11-09 10:43:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-11-09 10:43:17,666 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:17,667 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:17,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 10:43:17,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:17,895 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:17,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1761474401, now seen corresponding path program 1 times [2021-11-09 10:43:17,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:17,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619833678] [2021-11-09 10:43:17,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:17,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 1307 proven. 157 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2021-11-09 10:43:18,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:18,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619833678] [2021-11-09 10:43:18,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619833678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:43:18,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572215833] [2021-11-09 10:43:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:18,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:18,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:43:18,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:43:18,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 10:43:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:19,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:43:19,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:43:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 1835 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2021-11-09 10:43:21,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572215833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:21,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:43:21,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-09 10:43:21,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422054052] [2021-11-09 10:43:21,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:21,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:21,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:21,599 INFO L87 Difference]: Start difference. First operand 13164 states and 14215 transitions. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:22,546 INFO L93 Difference]: Finished difference Result 27642 states and 29859 transitions. [2021-11-09 10:43:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:22,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 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 1060 [2021-11-09 10:43:22,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:22,576 INFO L225 Difference]: With dead ends: 27642 [2021-11-09 10:43:22,576 INFO L226 Difference]: Without dead ends: 15138 [2021-11-09 10:43:22,593 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 1059 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:22,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-11-09 10:43:22,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 14480. [2021-11-09 10:43:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.05276607500518) internal successors, (15243), 14479 states have internal predecessors, (15243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 15243 transitions. [2021-11-09 10:43:22,823 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 15243 transitions. Word has length 1060 [2021-11-09 10:43:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:22,824 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 15243 transitions. [2021-11-09 10:43:22,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 15243 transitions. [2021-11-09 10:43:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2021-11-09 10:43:22,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:22,909 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:22,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:43:23,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:23,119 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1023309368, now seen corresponding path program 1 times [2021-11-09 10:43:23,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:23,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506446958] [2021-11-09 10:43:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 1303 proven. 157 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2021-11-09 10:43:23,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:23,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506446958] [2021-11-09 10:43:23,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506446958] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:43:23,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617379419] [2021-11-09 10:43:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:23,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:43:23,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:43:23,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 10:43:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:24,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:43:24,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:43:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 1620 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2021-11-09 10:43:26,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617379419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:26,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:43:26,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-09 10:43:26,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223333680] [2021-11-09 10:43:26,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:26,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:26,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:26,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:26,890 INFO L87 Difference]: Start difference. First operand 14480 states and 15243 transitions. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:27,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:27,934 INFO L93 Difference]: Finished difference Result 31261 states and 33041 transitions. [2021-11-09 10:43:27,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:27,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 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 1074 [2021-11-09 10:43:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:27,958 INFO L225 Difference]: With dead ends: 31261 [2021-11-09 10:43:27,959 INFO L226 Difference]: Without dead ends: 17441 [2021-11-09 10:43:27,968 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1078 GetRequests, 1073 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:43:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-11-09 10:43:28,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17441. [2021-11-09 10:43:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0490252293577982) internal successors, (18295), 17440 states have internal predecessors, (18295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18295 transitions. [2021-11-09 10:43:28,219 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18295 transitions. Word has length 1074 [2021-11-09 10:43:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:28,220 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18295 transitions. [2021-11-09 10:43:28,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18295 transitions. [2021-11-09 10:43:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-11-09 10:43:28,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:28,247 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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] [2021-11-09 10:43:28,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-09 10:43:28,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:28,475 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:28,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1530085937, now seen corresponding path program 1 times [2021-11-09 10:43:28,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:28,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782483079] [2021-11-09 10:43:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:28,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2524 backedges. 1307 proven. 0 refuted. 0 times theorem prover too weak. 1217 trivial. 0 not checked. [2021-11-09 10:43:29,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:29,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782483079] [2021-11-09 10:43:29,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782483079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:29,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:29,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:29,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044463067] [2021-11-09 10:43:29,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:29,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:29,235 INFO L87 Difference]: Start difference. First operand 17441 states and 18295 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:30,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:30,327 INFO L93 Difference]: Finished difference Result 34222 states and 35924 transitions. [2021-11-09 10:43:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:30,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 1138 [2021-11-09 10:43:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:30,350 INFO L225 Difference]: With dead ends: 34222 [2021-11-09 10:43:30,350 INFO L226 Difference]: Without dead ends: 17441 [2021-11-09 10:43:30,360 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-11-09 10:43:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-11-09 10:43:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0414353339956752) internal successors, (17820), 17111 states have internal predecessors, (17820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17820 transitions. [2021-11-09 10:43:30,714 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17820 transitions. Word has length 1138 [2021-11-09 10:43:30,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:30,716 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17820 transitions. [2021-11-09 10:43:30,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17820 transitions. [2021-11-09 10:43:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2021-11-09 10:43:30,746 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:30,748 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:30,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 10:43:30,748 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:30,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1099988877, now seen corresponding path program 1 times [2021-11-09 10:43:30,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:30,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567045905] [2021-11-09 10:43:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:30,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 1989 proven. 16 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-11-09 10:43:31,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:31,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567045905] [2021-11-09 10:43:31,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567045905] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:43:31,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687874208] [2021-11-09 10:43:31,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:31,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:31,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:43:31,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:43:31,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 10:43:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:32,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 10:43:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:43:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 1961 proven. 0 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2021-11-09 10:43:35,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687874208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:35,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:43:35,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-09 10:43:35,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101708020] [2021-11-09 10:43:35,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:35,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:35,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:35,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:43:35,787 INFO L87 Difference]: Start difference. First operand 17112 states and 17820 transitions. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:36,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:36,921 INFO L93 Difference]: Finished difference Result 33564 states and 34974 transitions. [2021-11-09 10:43:36,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:36,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 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 1285 [2021-11-09 10:43:36,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:36,945 INFO L225 Difference]: With dead ends: 33564 [2021-11-09 10:43:36,945 INFO L226 Difference]: Without dead ends: 17112 [2021-11-09 10:43:36,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1292 GetRequests, 1286 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:43:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-09 10:43:37,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-11-09 10:43:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0399742855473086) internal successors, (17795), 17111 states have internal predecessors, (17795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17795 transitions. [2021-11-09 10:43:37,290 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17795 transitions. Word has length 1285 [2021-11-09 10:43:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:37,292 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17795 transitions. [2021-11-09 10:43:37,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17795 transitions. [2021-11-09 10:43:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1290 [2021-11-09 10:43:37,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:37,325 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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] [2021-11-09 10:43:37,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 10:43:37,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:43:37,547 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1623409654, now seen corresponding path program 1 times [2021-11-09 10:43:37,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:37,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505052940] [2021-11-09 10:43:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:37,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 2540 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2021-11-09 10:43:38,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:38,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505052940] [2021-11-09 10:43:38,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505052940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:38,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:38,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:38,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801662519] [2021-11-09 10:43:38,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:38,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:38,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:38,058 INFO L87 Difference]: Start difference. First operand 17112 states and 17795 transitions. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:39,055 INFO L93 Difference]: Finished difference Result 34880 states and 36267 transitions. [2021-11-09 10:43:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:39,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 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 1289 [2021-11-09 10:43:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:39,070 INFO L225 Difference]: With dead ends: 34880 [2021-11-09 10:43:39,071 INFO L226 Difference]: Without dead ends: 18428 [2021-11-09 10:43:39,080 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:39,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-11-09 10:43:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 17770. [2021-11-09 10:43:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.0360740615678992) internal successors, (18410), 17769 states have internal predecessors, (18410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18410 transitions. [2021-11-09 10:43:39,430 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18410 transitions. Word has length 1289 [2021-11-09 10:43:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:39,431 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18410 transitions. [2021-11-09 10:43:39,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18410 transitions. [2021-11-09 10:43:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1300 [2021-11-09 10:43:39,455 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:39,456 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-09 10:43:39,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 10:43:39,457 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:39,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:39,458 INFO L85 PathProgramCache]: Analyzing trace with hash -113562980, now seen corresponding path program 1 times [2021-11-09 10:43:39,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:39,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431899627] [2021-11-09 10:43:39,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:39,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1220 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-09 10:43:40,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:40,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431899627] [2021-11-09 10:43:40,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431899627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:40,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:40,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:40,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100024175] [2021-11-09 10:43:40,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:40,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:40,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:40,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:40,053 INFO L87 Difference]: Start difference. First operand 17770 states and 18410 transitions. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:41,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:41,128 INFO L93 Difference]: Finished difference Result 35209 states and 36487 transitions. [2021-11-09 10:43:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:41,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 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 1299 [2021-11-09 10:43:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:41,151 INFO L225 Difference]: With dead ends: 35209 [2021-11-09 10:43:41,151 INFO L226 Difference]: Without dead ends: 17770 [2021-11-09 10:43:41,163 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:41,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-09 10:43:41,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-11-09 10:43:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0280389908256882) internal successors, (17929), 17440 states have internal predecessors, (17929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17929 transitions. [2021-11-09 10:43:41,427 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17929 transitions. Word has length 1299 [2021-11-09 10:43:41,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:41,429 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17929 transitions. [2021-11-09 10:43:41,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17929 transitions. [2021-11-09 10:43:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1348 [2021-11-09 10:43:41,466 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:41,467 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:41,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 10:43:41,467 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:41,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:41,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1569430533, now seen corresponding path program 1 times [2021-11-09 10:43:41,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:41,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764085660] [2021-11-09 10:43:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:41,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3992 backedges. 1988 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2021-11-09 10:43:42,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:42,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764085660] [2021-11-09 10:43:42,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764085660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:42,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:42,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:42,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948479371] [2021-11-09 10:43:42,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:42,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:42,139 INFO L87 Difference]: Start difference. First operand 17441 states and 17929 transitions. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:43,119 INFO L93 Difference]: Finished difference Result 34880 states and 35874 transitions. [2021-11-09 10:43:43,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:43,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 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 1347 [2021-11-09 10:43:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:43,137 INFO L225 Difference]: With dead ends: 34880 [2021-11-09 10:43:43,137 INFO L226 Difference]: Without dead ends: 18099 [2021-11-09 10:43:43,146 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-11-09 10:43:43,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2021-11-09 10:43:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0271300696209527) internal successors, (18589), 18098 states have internal predecessors, (18589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18589 transitions. [2021-11-09 10:43:43,333 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18589 transitions. Word has length 1347 [2021-11-09 10:43:43,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:43,334 INFO L470 AbstractCegarLoop]: Abstraction has 18099 states and 18589 transitions. [2021-11-09 10:43:43,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18589 transitions. [2021-11-09 10:43:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1371 [2021-11-09 10:43:43,355 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:43,356 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:43,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 10:43:43,357 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:43,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:43,358 INFO L85 PathProgramCache]: Analyzing trace with hash -851025834, now seen corresponding path program 1 times [2021-11-09 10:43:43,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:43,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931275030] [2021-11-09 10:43:43,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:43,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 2358 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2021-11-09 10:43:43,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:43,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931275030] [2021-11-09 10:43:43,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931275030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:43,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:43,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:43,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391400907] [2021-11-09 10:43:43,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:43,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:43,985 INFO L87 Difference]: Start difference. First operand 18099 states and 18589 transitions. Second operand has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:45,080 INFO L93 Difference]: Finished difference Result 39157 states and 40220 transitions. [2021-11-09 10:43:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:45,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 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 1370 [2021-11-09 10:43:45,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:45,098 INFO L225 Difference]: With dead ends: 39157 [2021-11-09 10:43:45,098 INFO L226 Difference]: Without dead ends: 21718 [2021-11-09 10:43:45,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:45,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21718 states. [2021-11-09 10:43:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21718 to 19086. [2021-11-09 10:43:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19086 states, 19085 states have (on average 1.0265129682997118) internal successors, (19591), 19085 states have internal predecessors, (19591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19086 states to 19086 states and 19591 transitions. [2021-11-09 10:43:45,304 INFO L78 Accepts]: Start accepts. Automaton has 19086 states and 19591 transitions. Word has length 1370 [2021-11-09 10:43:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:45,305 INFO L470 AbstractCegarLoop]: Abstraction has 19086 states and 19591 transitions. [2021-11-09 10:43:45,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19086 states and 19591 transitions. [2021-11-09 10:43:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2021-11-09 10:43:45,335 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:45,335 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:45,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-09 10:43:45,336 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:45,337 INFO L85 PathProgramCache]: Analyzing trace with hash 884967305, now seen corresponding path program 1 times [2021-11-09 10:43:45,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:45,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103215755] [2021-11-09 10:43:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:45,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4423 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 4028 trivial. 0 not checked. [2021-11-09 10:43:45,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:45,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103215755] [2021-11-09 10:43:45,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103215755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:45,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:45,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:45,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126218055] [2021-11-09 10:43:45,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:45,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:45,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:45,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:45,986 INFO L87 Difference]: Start difference. First operand 19086 states and 19591 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:46,684 INFO L93 Difference]: Finished difference Result 37196 states and 38197 transitions. [2021-11-09 10:43:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:46,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 1411 [2021-11-09 10:43:46,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:46,701 INFO L225 Difference]: With dead ends: 37196 [2021-11-09 10:43:46,701 INFO L226 Difference]: Without dead ends: 18757 [2021-11-09 10:43:46,710 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:46,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2021-11-09 10:43:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18757. [2021-11-09 10:43:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18757 states, 18756 states have (on average 1.0262849221582426) internal successors, (19249), 18756 states have internal predecessors, (19249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19249 transitions. [2021-11-09 10:43:47,003 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19249 transitions. Word has length 1411 [2021-11-09 10:43:47,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:47,004 INFO L470 AbstractCegarLoop]: Abstraction has 18757 states and 19249 transitions. [2021-11-09 10:43:47,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19249 transitions. [2021-11-09 10:43:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1758 [2021-11-09 10:43:47,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:47,049 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 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] [2021-11-09 10:43:47,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-09 10:43:47,050 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1291117093, now seen corresponding path program 1 times [2021-11-09 10:43:47,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:47,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923264315] [2021-11-09 10:43:47,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:47,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 3464 proven. 0 refuted. 0 times theorem prover too weak. 2323 trivial. 0 not checked. [2021-11-09 10:43:47,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:47,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923264315] [2021-11-09 10:43:47,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923264315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:47,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:47,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:47,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878288276] [2021-11-09 10:43:47,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:47,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:47,826 INFO L87 Difference]: Start difference. First operand 18757 states and 19249 transitions. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:48,874 INFO L93 Difference]: Finished difference Result 37841 states and 38828 transitions. [2021-11-09 10:43:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:48,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 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 1757 [2021-11-09 10:43:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:48,889 INFO L225 Difference]: With dead ends: 37841 [2021-11-09 10:43:48,889 INFO L226 Difference]: Without dead ends: 18099 [2021-11-09 10:43:48,897 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:48,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-11-09 10:43:49,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 17441. [2021-11-09 10:43:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0219036697247705) internal successors, (17822), 17440 states have internal predecessors, (17822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17822 transitions. [2021-11-09 10:43:49,085 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17822 transitions. Word has length 1757 [2021-11-09 10:43:49,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:49,086 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17822 transitions. [2021-11-09 10:43:49,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17822 transitions. [2021-11-09 10:43:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1776 [2021-11-09 10:43:49,117 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:43:49,118 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-11-09 10:43:49,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 10:43:49,118 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 10:43:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1243646835, now seen corresponding path program 1 times [2021-11-09 10:43:49,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:49,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272672554] [2021-11-09 10:43:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:49,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6414 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 5975 trivial. 0 not checked. [2021-11-09 10:43:49,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:49,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272672554] [2021-11-09 10:43:49,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272672554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:49,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:49,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:43:49,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144277212] [2021-11-09 10:43:49,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:43:49,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:43:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:49,912 INFO L87 Difference]: Start difference. First operand 17441 states and 17822 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:43:51,091 INFO L93 Difference]: Finished difference Result 34220 states and 34979 transitions. [2021-11-09 10:43:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:43:51,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 1775 [2021-11-09 10:43:51,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:43:51,093 INFO L225 Difference]: With dead ends: 34220 [2021-11-09 10:43:51,093 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 10:43:51,102 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:43:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 10:43:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 10:43:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 10:43:51,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1775 [2021-11-09 10:43:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:43:51,103 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:43:51,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 10:43:51,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 10:43:51,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 10:43:51,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 10:43:51,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 10:43:51,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:43:51,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:43:51,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:43:51,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 10:43:52,906 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,906 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,906 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,906 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,907 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-09 10:43:52,908 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-09 10:43:52,909 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-09 10:43:52,909 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,909 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,909 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,909 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,910 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,911 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,912 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,913 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (+ 87 ~a18~0)) (.cse6 (= ~a16~0 9))) (let ((.cse0 (not .cse6)) (.cse5 (= ~a12~0 9)) (.cse4 (<= ~a15~0 3)) (.cse9 (<= 4 ~a15~0)) (.cse1 (<= ~a12~0 6)) (.cse2 (<= ~a16~0 11)) (.cse3 (<= 0 .cse11)) (.cse7 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 8)) (.cse10 (<= ~a16~0 8)) (.cse12 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse5 .cse6) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse5) (and .cse4 (<= .cse11 0) .cse8 .cse2) (and .cse10 (<= (+ ~a18~0 156) 0) .cse8) (and (<= ~a12~0 5) .cse4) (and .cse4 .cse7 .cse8 (<= 7 ~a12~0) .cse0) (and .cse2 (<= 136 ~a18~0) (= ~a15~0 3) .cse12) (and .cse4 .cse0 .cse2 .cse12) (and .cse5 .cse4) (and .cse4 (= ~a12~0 8)) (and .cse10 .cse4) (and .cse6 .cse9 .cse12) (and .cse1 .cse2 (<= 6 ~a12~0)) (and .cse10 .cse3 .cse7 .cse8) (and .cse10 .cse12)))) [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,914 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,915 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,915 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,916 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,917 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,917 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,917 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,919 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,920 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-09 10:43:52,921 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-09 10:43:52,922 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,922 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-09 10:43:52,922 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,922 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse11 (+ 87 ~a18~0)) (.cse6 (= ~a16~0 9))) (let ((.cse0 (not .cse6)) (.cse5 (= ~a12~0 9)) (.cse4 (<= ~a15~0 3)) (.cse9 (<= 4 ~a15~0)) (.cse1 (<= ~a12~0 6)) (.cse2 (<= ~a16~0 11)) (.cse3 (<= 0 .cse11)) (.cse7 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 8)) (.cse10 (<= ~a16~0 8)) (.cse12 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse5 .cse6) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse5) (and .cse4 (<= .cse11 0) .cse8 .cse2) (and .cse10 (<= (+ ~a18~0 156) 0) .cse8) (and (<= ~a12~0 5) .cse4) (and .cse4 .cse7 .cse8 (<= 7 ~a12~0) .cse0) (and .cse4 .cse0 .cse2 .cse12) (and .cse5 .cse4) (and .cse4 (= ~a12~0 8)) (and .cse10 .cse4) (and .cse6 .cse9 .cse12) (and .cse1 .cse2 (<= 6 ~a12~0)) (and .cse10 .cse3 .cse7 .cse8) (and .cse10 .cse12)))) [2021-11-09 10:43:52,922 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,922 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,923 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-09 10:43:52,924 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-09 10:43:52,925 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,926 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,927 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-09 10:43:52,928 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-09 10:43:52,929 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-09 10:43:52,929 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 10:43:52,929 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2021-11-09 10:43:52,929 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (+ 87 ~a18~0)) (.cse6 (= ~a16~0 9))) (let ((.cse0 (not .cse6)) (.cse5 (= ~a12~0 9)) (.cse4 (<= ~a15~0 3)) (.cse9 (<= 4 ~a15~0)) (.cse1 (<= ~a12~0 6)) (.cse2 (<= ~a16~0 11)) (.cse3 (<= 0 .cse11)) (.cse7 (<= ~a18~0 132)) (.cse8 (<= ~a12~0 8)) (.cse10 (<= ~a16~0 8)) (.cse12 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse5 .cse6) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse5) (and .cse4 (<= .cse11 0) .cse8 .cse2) (and .cse10 (<= (+ ~a18~0 156) 0) .cse8) (and (<= ~a12~0 5) .cse4) (and .cse4 .cse7 .cse8 (<= 7 ~a12~0) .cse0) (and .cse2 (<= 136 ~a18~0) (= ~a15~0 3) .cse12) (and .cse4 .cse0 .cse2 .cse12) (and .cse5 .cse4) (and .cse4 (= ~a12~0 8)) (and .cse10 .cse4) (and .cse6 .cse9 .cse12) (and .cse1 .cse2 (<= 6 ~a12~0)) (and .cse10 .cse3 .cse7 .cse8) (and .cse10 .cse12)))) [2021-11-09 10:43:52,929 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,930 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,931 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,932 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,933 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,934 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,935 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,936 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,937 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,938 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,939 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,940 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,941 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,942 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,943 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,944 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-09 10:43:52,945 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,946 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,947 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,948 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,949 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-09 10:43:52,950 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,951 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,952 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,953 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,954 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-09 10:43:52,955 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-09 10:43:52,958 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] [2021-11-09 10:43:52,959 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 10:43:52,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:43:52 BoogieIcfgContainer [2021-11-09 10:43:52,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 10:43:52,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:43:52,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:43:52,986 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:43:52,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:55" (3/4) ... [2021-11-09 10:43:52,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 10:43:53,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-09 10:43:53,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 10:43:53,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 10:43:53,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 10:43:53,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 10:43:53,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:43:53,274 INFO L168 Benchmark]: Toolchain (without parser) took 62031.07 ms. Allocated memory was 90.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 61.7 MB in the beginning and 470.4 MB in the end (delta: -408.6 MB). Peak memory consumption was 923.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,275 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 46.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.22 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 61.6 MB in the beginning and 81.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.37 ms. Allocated memory is still 117.4 MB. Free memory was 81.5 MB in the beginning and 58.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,277 INFO L168 Benchmark]: Boogie Preprocessor took 250.88 ms. Allocated memory is still 117.4 MB. Free memory was 58.2 MB in the beginning and 68.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,277 INFO L168 Benchmark]: RCFGBuilder took 2774.42 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 68.6 MB in the beginning and 72.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,278 INFO L168 Benchmark]: TraceAbstraction took 57488.25 ms. Allocated memory was 176.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 72.2 MB in the beginning and 508.1 MB in the end (delta: -435.9 MB). Peak memory consumption was 808.8 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,278 INFO L168 Benchmark]: Witness Printer took 286.81 ms. Allocated memory is still 1.4 GB. Free memory was 508.1 MB in the beginning and 470.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-09 10:43:53,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 46.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1021.22 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 61.6 MB in the beginning and 81.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 202.37 ms. Allocated memory is still 117.4 MB. Free memory was 81.5 MB in the beginning and 58.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 250.88 ms. Allocated memory is still 117.4 MB. Free memory was 58.2 MB in the beginning and 68.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2774.42 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 68.6 MB in the beginning and 72.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57488.25 ms. Allocated memory was 176.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 72.2 MB in the beginning and 508.1 MB in the end (delta: -435.9 MB). Peak memory consumption was 808.8 MB. Max. memory is 16.1 GB. * Witness Printer took 286.81 ms. Allocated memory is still 1.4 GB. Free memory was 508.1 MB in the beginning and 470.4 MB in the end (delta: 37.7 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: 155]: 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: 57.3s, OverallIterations: 20, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4897 SDtfs, 4702 SDslu, 120 SDs, 0 SdLazy, 16730 SolverSat, 2493 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4543 GetRequests, 4502 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19086occurred in iteration=17, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 7238 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 186 NumberOfFragments, 564 HoareAnnotationTreeSize, 4 FomulaSimplifications, 4947 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2734 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 24415 NumberOfCodeBlocks, 24415 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 24391 ConstructedInterpolants, 0 QuantifiedInterpolants, 62350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5451 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 64021/64508 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: (((((((((((((((((!(a16 == 9) && a12 <= 6) && a16 <= 11) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a12 == 9 && a16 == 9)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (((a15 <= 3 && 87 + a18 <= 0) && a12 <= 8) && a16 <= 11)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || (((a15 <= 3 && !(a16 == 9)) && a16 <= 11) && 7 == a12)) || (a12 == 9 && a15 <= 3)) || (a15 <= 3 && a12 == 8)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(a16 == 9) && a12 <= 6) && a16 <= 11) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a12 == 9 && a16 == 9)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (((a15 <= 3 && 87 + a18 <= 0) && a12 <= 8) && a16 <= 11)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || (((a16 <= 11 && 136 <= a18) && a15 == 3) && 7 == a12)) || (((a15 <= 3 && !(a16 == 9)) && a16 <= 11) && 7 == a12)) || (a12 == 9 && a15 <= 3)) || (a15 <= 3 && a12 == 8)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(a16 == 9) && a12 <= 6) && a16 <= 11) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a12 == 9 && a16 == 9)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (a16 <= 8 && a12 == 9)) || (((a15 <= 3 && 87 + a18 <= 0) && a12 <= 8) && a16 <= 11)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || (((a16 <= 11 && 136 <= a18) && a15 == 3) && 7 == a12)) || (((a15 <= 3 && !(a16 == 9)) && a16 <= 11) && 7 == a12)) || (a12 == 9 && a15 <= 3)) || (a15 <= 3 && a12 == 8)) || (a16 <= 8 && a15 <= 3)) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-09 10:43:53,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35013ff9-9663-4bbb-9767-65ad69d72bca/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE