./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a --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 fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 13:43:25,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:43:25,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:43:25,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:43:25,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:43:25,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:43:25,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:43:25,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:43:25,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:43:25,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:43:25,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:43:25,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:43:25,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:43:25,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:43:25,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:43:25,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:43:25,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:43:25,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:43:25,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:43:25,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:43:25,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:43:25,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:43:25,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:43:25,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:43:25,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:43:25,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:43:25,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:43:25,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:43:25,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:43:25,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:43:25,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:43:25,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:43:25,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:43:25,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:43:25,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:43:25,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:43:25,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:43:25,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:43:25,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:43:25,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:43:25,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:43:25,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 13:43:25,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:43:25,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:43:25,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:43:25,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:43:25,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:43:25,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:43:25,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:43:25,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:43:25,891 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:43:25,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:43:25,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:43:25,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:43:25,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:43:25,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:43:25,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:43:25,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:43:25,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:43:25,895 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:43:25,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:43:25,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:43:25,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:43:25,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:43:25,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:43:25,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:43:25,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:43:25,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:43:25,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:43:25,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:43:25,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:43:25,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:43:25,898 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:43:25,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:43:25,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:43:25,899 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_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 [2022-11-21 13:43:26,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:43:26,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:43:26,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:43:26,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:43:26,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:43:26,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-11-21 13:43:29,427 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:43:29,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:43:29,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-11-21 13:43:29,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/data/76080a404/e313ae062a9f43af810f071b59a8a6d9/FLAGaa15871dd [2022-11-21 13:43:29,852 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/data/76080a404/e313ae062a9f43af810f071b59a8a6d9 [2022-11-21 13:43:29,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:43:29,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:43:29,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:43:29,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:43:29,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:43:29,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:43:29" (1/1) ... [2022-11-21 13:43:29,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c6fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:29, skipping insertion in model container [2022-11-21 13:43:29,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:43:29" (1/1) ... [2022-11-21 13:43:29,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:43:29,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:43:30,604 WARN L237 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_84d38f88-2b55-4b0b-ad15-97c25164235e/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-11-21 13:43:30,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:43:30,631 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:43:30,785 WARN L237 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_84d38f88-2b55-4b0b-ad15-97c25164235e/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-11-21 13:43:30,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:43:30,819 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:43:30,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30 WrapperNode [2022-11-21 13:43:30,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:43:30,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:43:30,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:43:30,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:43:30,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,941 INFO L138 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1326 [2022-11-21 13:43:30,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:43:30,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:43:30,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:43:30,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:43:30,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:30,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:31,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:31,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:31,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:31,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:43:31,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:43:31,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:43:31,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:43:31,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (1/1) ... [2022-11-21 13:43:31,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:43:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:43:31,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:43:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-21 13:43:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-21 13:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2022-11-21 13:43:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2022-11-21 13:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2022-11-21 13:43:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2022-11-21 13:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-21 13:43:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-21 13:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-21 13:43:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-21 13:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-21 13:43:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-21 13:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-21 13:43:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-21 13:43:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2022-11-21 13:43:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2022-11-21 13:43:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-21 13:43:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-21 13:43:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2022-11-21 13:43:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2022-11-21 13:43:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-21 13:43:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-21 13:43:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-21 13:43:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-21 13:43:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-21 13:43:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-21 13:43:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2022-11-21 13:43:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2022-11-21 13:43:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2022-11-21 13:43:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2022-11-21 13:43:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-21 13:43:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-21 13:43:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-21 13:43:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-21 13:43:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-21 13:43:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-21 13:43:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-21 13:43:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2022-11-21 13:43:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2022-11-21 13:43:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-21 13:43:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-21 13:43:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-21 13:43:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-21 13:43:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-21 13:43:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-21 13:43:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2022-11-21 13:43:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2022-11-21 13:43:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:43:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-21 13:43:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-21 13:43:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-21 13:43:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-21 13:43:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2022-11-21 13:43:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2022-11-21 13:43:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2022-11-21 13:43:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2022-11-21 13:43:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2022-11-21 13:43:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2022-11-21 13:43:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-21 13:43:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-21 13:43:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-21 13:43:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-21 13:43:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-21 13:43:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-21 13:43:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-21 13:43:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-21 13:43:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-21 13:43:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-21 13:43:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-21 13:43:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-21 13:43:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-21 13:43:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-21 13:43:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2022-11-21 13:43:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2022-11-21 13:43:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2022-11-21 13:43:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2022-11-21 13:43:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-21 13:43:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-21 13:43:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-21 13:43:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-21 13:43:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:43:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-21 13:43:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-21 13:43:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2022-11-21 13:43:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2022-11-21 13:43:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-11-21 13:43:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-11-21 13:43:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-21 13:43:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-21 13:43:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:43:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:43:31,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:43:31,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:43:32,608 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:43:32,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:43:32,631 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 13:43:32,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:43:32 BoogieIcfgContainer [2022-11-21 13:43:32,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:43:32,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:43:32,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:43:32,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:43:32,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:43:29" (1/3) ... [2022-11-21 13:43:32,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c30e654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:43:32, skipping insertion in model container [2022-11-21 13:43:32,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:43:30" (2/3) ... [2022-11-21 13:43:32,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c30e654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:43:32, skipping insertion in model container [2022-11-21 13:43:32,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:43:32" (3/3) ... [2022-11-21 13:43:32,655 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2022-11-21 13:43:32,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:43:32,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:43:32,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:43:32,762 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f5e4b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:43:32,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:43:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2022-11-21 13:43:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-21 13:43:32,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:32,792 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:32,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:32,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:32,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1310995889, now seen corresponding path program 1 times [2022-11-21 13:43:32,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:32,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175309933] [2022-11-21 13:43:32,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:32,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:43:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 13:43:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:43:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 13:43:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:43:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 13:43:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:43:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 13:43:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:33,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175309933] [2022-11-21 13:43:33,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175309933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:33,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:33,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:43:33,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349158484] [2022-11-21 13:43:33,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:33,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:43:33,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:33,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:43:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:43:33,432 INFO L87 Difference]: Start difference. First operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:43:35,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:35,932 INFO L93 Difference]: Finished difference Result 1081 states and 1630 transitions. [2022-11-21 13:43:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 13:43:35,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2022-11-21 13:43:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:35,953 INFO L225 Difference]: With dead ends: 1081 [2022-11-21 13:43:35,953 INFO L226 Difference]: Without dead ends: 739 [2022-11-21 13:43:35,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:43:35,963 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1363 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:35,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1037 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [626 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-21 13:43:35,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-21 13:43:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 597. [2022-11-21 13:43:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.510158013544018) internal successors, (669), 462 states have internal predecessors, (669), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-11-21 13:43:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 888 transitions. [2022-11-21 13:43:36,149 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 888 transitions. Word has length 127 [2022-11-21 13:43:36,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:36,150 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 888 transitions. [2022-11-21 13:43:36,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:43:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 888 transitions. [2022-11-21 13:43:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 13:43:36,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:36,157 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:36,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:43:36,158 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:36,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:36,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1140437170, now seen corresponding path program 1 times [2022-11-21 13:43:36,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:36,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043520809] [2022-11-21 13:43:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:36,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:43:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 13:43:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:43:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 13:43:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 13:43:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:43:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 13:43:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 13:43:36,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:36,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043520809] [2022-11-21 13:43:36,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043520809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:36,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:36,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 13:43:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609784406] [2022-11-21 13:43:36,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:36,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 13:43:36,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:36,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 13:43:36,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:43:36,600 INFO L87 Difference]: Start difference. First operand 597 states and 888 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:43:39,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:39,798 INFO L93 Difference]: Finished difference Result 1300 states and 1960 transitions. [2022-11-21 13:43:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 13:43:39,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-11-21 13:43:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:39,804 INFO L225 Difference]: With dead ends: 1300 [2022-11-21 13:43:39,805 INFO L226 Difference]: Without dead ends: 739 [2022-11-21 13:43:39,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-21 13:43:39,808 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1361 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 4191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:39,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1784 Invalid, 4191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [642 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-21 13:43:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-21 13:43:39,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 597. [2022-11-21 13:43:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.4943566591422122) internal successors, (662), 462 states have internal predecessors, (662), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2022-11-21 13:43:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 881 transitions. [2022-11-21 13:43:39,874 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 881 transitions. Word has length 128 [2022-11-21 13:43:39,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:39,875 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 881 transitions. [2022-11-21 13:43:39,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:43:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 881 transitions. [2022-11-21 13:43:39,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-21 13:43:39,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:39,879 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:39,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:43:39,880 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:39,881 INFO L85 PathProgramCache]: Analyzing trace with hash 123449077, now seen corresponding path program 1 times [2022-11-21 13:43:39,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:39,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379550744] [2022-11-21 13:43:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:39,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 13:43:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 13:43:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:43:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 13:43:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 13:43:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 13:43:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 13:43:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 13:43:40,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:40,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379550744] [2022-11-21 13:43:40,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379550744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:40,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:40,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:43:40,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989969657] [2022-11-21 13:43:40,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:40,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:43:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:40,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:43:40,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:43:40,127 INFO L87 Difference]: Start difference. First operand 597 states and 881 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:43:42,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:42,274 INFO L93 Difference]: Finished difference Result 1310 states and 1992 transitions. [2022-11-21 13:43:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:43:42,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 133 [2022-11-21 13:43:42,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:42,280 INFO L225 Difference]: With dead ends: 1310 [2022-11-21 13:43:42,280 INFO L226 Difference]: Without dead ends: 738 [2022-11-21 13:43:42,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:42,284 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 2062 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:42,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 962 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 13:43:42,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-11-21 13:43:42,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 596. [2022-11-21 13:43:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 444 states have (on average 1.481981981981982) internal successors, (658), 461 states have internal predecessors, (658), 107 states have call successors, (107), 44 states have call predecessors, (107), 44 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2022-11-21 13:43:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 871 transitions. [2022-11-21 13:43:42,341 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 871 transitions. Word has length 133 [2022-11-21 13:43:42,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:42,341 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 871 transitions. [2022-11-21 13:43:42,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-21 13:43:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 871 transitions. [2022-11-21 13:43:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 13:43:42,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:42,345 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:42,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:43:42,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:42,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:42,347 INFO L85 PathProgramCache]: Analyzing trace with hash 235987301, now seen corresponding path program 1 times [2022-11-21 13:43:42,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:42,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391854914] [2022-11-21 13:43:42,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:42,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 13:43:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 13:43:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 13:43:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 13:43:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 13:43:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 13:43:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:43:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 13:43:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 13:43:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 13:43:42,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:42,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391854914] [2022-11-21 13:43:42,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391854914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:42,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:42,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:43:42,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88719553] [2022-11-21 13:43:42,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:42,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:43:42,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:42,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:43:42,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:43:42,524 INFO L87 Difference]: Start difference. First operand 596 states and 871 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:43:44,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:44,704 INFO L93 Difference]: Finished difference Result 1302 states and 1952 transitions. [2022-11-21 13:43:44,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:43:44,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2022-11-21 13:43:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:44,708 INFO L225 Difference]: With dead ends: 1302 [2022-11-21 13:43:44,709 INFO L226 Difference]: Without dead ends: 736 [2022-11-21 13:43:44,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:44,712 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 2031 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:44,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 980 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 13:43:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-11-21 13:43:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 595. [2022-11-21 13:43:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 444 states have (on average 1.4774774774774775) internal successors, (656), 460 states have internal predecessors, (656), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-21 13:43:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 867 transitions. [2022-11-21 13:43:44,771 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 867 transitions. Word has length 149 [2022-11-21 13:43:44,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:44,774 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 867 transitions. [2022-11-21 13:43:44,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:43:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 867 transitions. [2022-11-21 13:43:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 13:43:44,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:44,779 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:44,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:43:44,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:44,780 INFO L85 PathProgramCache]: Analyzing trace with hash -497393103, now seen corresponding path program 1 times [2022-11-21 13:43:44,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:44,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768757061] [2022-11-21 13:43:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:44,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:43:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:43:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 13:43:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 13:43:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 13:43:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 13:43:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:43:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 13:43:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 13:43:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:44,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768757061] [2022-11-21 13:43:44,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768757061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:44,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:44,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:43:44,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866731318] [2022-11-21 13:43:44,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:44,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:43:44,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:44,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:43:44,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:43:44,976 INFO L87 Difference]: Start difference. First operand 595 states and 867 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:43:47,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:47,055 INFO L93 Difference]: Finished difference Result 1282 states and 1899 transitions. [2022-11-21 13:43:47,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:43:47,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2022-11-21 13:43:47,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:47,061 INFO L225 Difference]: With dead ends: 1282 [2022-11-21 13:43:47,061 INFO L226 Difference]: Without dead ends: 733 [2022-11-21 13:43:47,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:47,064 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1998 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:47,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 887 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 13:43:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-21 13:43:47,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 592. [2022-11-21 13:43:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 444 states have (on average 1.4527027027027026) internal successors, (645), 455 states have internal predecessors, (645), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-11-21 13:43:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 850 transitions. [2022-11-21 13:43:47,125 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 850 transitions. Word has length 150 [2022-11-21 13:43:47,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:47,126 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 850 transitions. [2022-11-21 13:43:47,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:43:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 850 transitions. [2022-11-21 13:43:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-21 13:43:47,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:47,130 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:47,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:43:47,131 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:47,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:47,131 INFO L85 PathProgramCache]: Analyzing trace with hash -608262645, now seen corresponding path program 1 times [2022-11-21 13:43:47,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:47,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412279257] [2022-11-21 13:43:47,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:47,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:43:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:43:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 13:43:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 13:43:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:43:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:43:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 13:43:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 13:43:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:43:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 13:43:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-21 13:43:47,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:47,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412279257] [2022-11-21 13:43:47,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412279257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:43:47,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848461219] [2022-11-21 13:43:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:47,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:43:47,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:43:47,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 13:43:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 13:43:48,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:43:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-21 13:43:48,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:43:48,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848461219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:48,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:43:48,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-11-21 13:43:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539148687] [2022-11-21 13:43:48,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:48,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:43:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:48,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:43:48,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:43:48,108 INFO L87 Difference]: Start difference. First operand 592 states and 850 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:43:48,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:48,202 INFO L93 Difference]: Finished difference Result 919 states and 1301 transitions. [2022-11-21 13:43:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:43:48,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2022-11-21 13:43:48,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:48,207 INFO L225 Difference]: With dead ends: 919 [2022-11-21 13:43:48,207 INFO L226 Difference]: Without dead ends: 595 [2022-11-21 13:43:48,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:43:48,210 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:48,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:43:48,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-11-21 13:43:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2022-11-21 13:43:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 457 states have internal predecessors, (647), 103 states have call successors, (103), 44 states have call predecessors, (103), 44 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2022-11-21 13:43:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 852 transitions. [2022-11-21 13:43:48,304 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 852 transitions. Word has length 175 [2022-11-21 13:43:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:48,305 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 852 transitions. [2022-11-21 13:43:48,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:43:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 852 transitions. [2022-11-21 13:43:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-21 13:43:48,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:48,310 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:48,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 13:43:48,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:48,518 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:48,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1535662965, now seen corresponding path program 1 times [2022-11-21 13:43:48,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:48,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225678029] [2022-11-21 13:43:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:43:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:43:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 13:43:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:43:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 13:43:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 13:43:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 13:43:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 13:43:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 13:43:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 13:43:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 13:43:48,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:48,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225678029] [2022-11-21 13:43:48,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225678029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:43:48,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905234940] [2022-11-21 13:43:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:48,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:43:48,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:43:48,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 13:43:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:49,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 13:43:49,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:43:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-21 13:43:49,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:43:49,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905234940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:49,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:43:49,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-11-21 13:43:49,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541832718] [2022-11-21 13:43:49,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:49,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:43:49,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:49,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:43:49,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:43:49,434 INFO L87 Difference]: Start difference. First operand 594 states and 852 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:43:49,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:49,531 INFO L93 Difference]: Finished difference Result 1208 states and 1765 transitions. [2022-11-21 13:43:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:43:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2022-11-21 13:43:49,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:49,536 INFO L225 Difference]: With dead ends: 1208 [2022-11-21 13:43:49,536 INFO L226 Difference]: Without dead ends: 692 [2022-11-21 13:43:49,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:43:49,539 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 165 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:49,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1680 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:43:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-11-21 13:43:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 684. [2022-11-21 13:43:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 522 states have (on average 1.4655172413793103) internal successors, (765), 533 states have internal predecessors, (765), 117 states have call successors, (117), 44 states have call predecessors, (117), 44 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-11-21 13:43:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 998 transitions. [2022-11-21 13:43:49,600 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 998 transitions. Word has length 183 [2022-11-21 13:43:49,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:49,600 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 998 transitions. [2022-11-21 13:43:49,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:43:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 998 transitions. [2022-11-21 13:43:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-21 13:43:49,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:49,604 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:49,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 13:43:49,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:49,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:49,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash 796437565, now seen corresponding path program 1 times [2022-11-21 13:43:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:49,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224762180] [2022-11-21 13:43:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:49,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:43:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:43:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 13:43:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 13:43:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 13:43:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 13:43:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-21 13:43:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:43:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 13:43:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 13:43:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 13:43:50,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224762180] [2022-11-21 13:43:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224762180] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:43:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858949574] [2022-11-21 13:43:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:50,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:43:50,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:43:50,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 13:43:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:50,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 13:43:50,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:43:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-21 13:43:50,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:43:50,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858949574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:50,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:43:50,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-11-21 13:43:50,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525476676] [2022-11-21 13:43:50,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:50,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 13:43:50,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:50,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 13:43:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-21 13:43:50,806 INFO L87 Difference]: Start difference. First operand 684 states and 998 transitions. Second operand has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:43:51,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:51,093 INFO L93 Difference]: Finished difference Result 1315 states and 1933 transitions. [2022-11-21 13:43:51,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 13:43:51,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2022-11-21 13:43:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:51,098 INFO L225 Difference]: With dead ends: 1315 [2022-11-21 13:43:51,098 INFO L226 Difference]: Without dead ends: 686 [2022-11-21 13:43:51,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-11-21 13:43:51,102 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 363 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 5436 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:51,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 5436 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:43:51,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-11-21 13:43:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2022-11-21 13:43:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 535 states have internal predecessors, (766), 117 states have call successors, (117), 44 states have call predecessors, (117), 45 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2022-11-21 13:43:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1001 transitions. [2022-11-21 13:43:51,181 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1001 transitions. Word has length 184 [2022-11-21 13:43:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:51,182 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1001 transitions. [2022-11-21 13:43:51,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.333333333333332) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:43:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2022-11-21 13:43:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-21 13:43:51,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:51,186 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:51,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 13:43:51,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:51,394 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:51,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:51,395 INFO L85 PathProgramCache]: Analyzing trace with hash -2134575071, now seen corresponding path program 1 times [2022-11-21 13:43:51,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:51,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283551529] [2022-11-21 13:43:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:43:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 13:43:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:43:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 13:43:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 13:43:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 13:43:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 13:43:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 13:43:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:43:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 13:43:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-21 13:43:51,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:51,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283551529] [2022-11-21 13:43:51,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283551529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:43:51,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221890232] [2022-11-21 13:43:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:43:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:43:51,795 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:43:51,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 13:43:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:52,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 13:43:52,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:43:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-21 13:43:52,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:43:52,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221890232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:52,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:43:52,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2022-11-21 13:43:52,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812097115] [2022-11-21 13:43:52,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:52,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:43:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:52,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:43:52,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-11-21 13:43:52,296 INFO L87 Difference]: Start difference. First operand 686 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 13:43:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:52,507 INFO L93 Difference]: Finished difference Result 1316 states and 1937 transitions. [2022-11-21 13:43:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:43:52,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 185 [2022-11-21 13:43:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:52,513 INFO L225 Difference]: With dead ends: 1316 [2022-11-21 13:43:52,513 INFO L226 Difference]: Without dead ends: 688 [2022-11-21 13:43:52,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-11-21 13:43:52,516 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 361 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:52,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 3770 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:43:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-11-21 13:43:52,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2022-11-21 13:43:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-11-21 13:43:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1007 transitions. [2022-11-21 13:43:52,585 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1007 transitions. Word has length 185 [2022-11-21 13:43:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:52,586 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1007 transitions. [2022-11-21 13:43:52,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 13:43:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1007 transitions. [2022-11-21 13:43:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-21 13:43:52,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:52,590 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:52,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 13:43:52,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 13:43:52,799 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:52,800 INFO L85 PathProgramCache]: Analyzing trace with hash -354789448, now seen corresponding path program 1 times [2022-11-21 13:43:52,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:52,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020853083] [2022-11-21 13:43:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:43:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:43:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 13:43:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 13:43:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 13:43:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 13:43:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 13:43:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 13:43:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 13:43:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 13:43:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 13:43:53,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:53,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020853083] [2022-11-21 13:43:53,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020853083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:53,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:53,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:43:53,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839961828] [2022-11-21 13:43:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:53,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:43:53,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:43:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:53,327 INFO L87 Difference]: Start difference. First operand 688 states and 1007 transitions. Second operand has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:43:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:58,024 INFO L93 Difference]: Finished difference Result 1449 states and 2165 transitions. [2022-11-21 13:43:58,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 13:43:58,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 186 [2022-11-21 13:43:58,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:58,030 INFO L225 Difference]: With dead ends: 1449 [2022-11-21 13:43:58,030 INFO L226 Difference]: Without dead ends: 833 [2022-11-21 13:43:58,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-11-21 13:43:58,033 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 2169 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5808 mSolverCounterSat, 865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 6673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 5808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:58,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 2219 Invalid, 6673 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [865 Valid, 5808 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-21 13:43:58,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2022-11-21 13:43:58,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 688. [2022-11-21 13:43:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 537 states have internal predecessors, (767), 117 states have call successors, (117), 44 states have call predecessors, (117), 46 states have return successors, (122), 115 states have call predecessors, (122), 116 states have call successors, (122) [2022-11-21 13:43:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1006 transitions. [2022-11-21 13:43:58,109 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1006 transitions. Word has length 186 [2022-11-21 13:43:58,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:58,110 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1006 transitions. [2022-11-21 13:43:58,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:43:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1006 transitions. [2022-11-21 13:43:58,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 13:43:58,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:58,114 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:43:58,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:43:58,115 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:58,115 INFO L85 PathProgramCache]: Analyzing trace with hash -288543782, now seen corresponding path program 2 times [2022-11-21 13:43:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:58,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146076961] [2022-11-21 13:43:58,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:58,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:43:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:43:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:43:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:43:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:43:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:43:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:43:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:43:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:43:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:43:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 13:43:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 13:43:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-21 13:43:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 13:43:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 13:43:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:43:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 13:43:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 13:43:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 13:43:58,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:58,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146076961] [2022-11-21 13:43:58,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146076961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:58,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:58,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:43:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055732218] [2022-11-21 13:43:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:58,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:43:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:58,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:43:58,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:58,496 INFO L87 Difference]: Start difference. First operand 688 states and 1006 transitions. Second operand has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:44:02,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:02,912 INFO L93 Difference]: Finished difference Result 1451 states and 2168 transitions. [2022-11-21 13:44:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 13:44:02,912 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 187 [2022-11-21 13:44:02,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:02,917 INFO L225 Difference]: With dead ends: 1451 [2022-11-21 13:44:02,918 INFO L226 Difference]: Without dead ends: 835 [2022-11-21 13:44:02,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-11-21 13:44:02,921 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 2169 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5822 mSolverCounterSat, 897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 6719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 897 IncrementalHoareTripleChecker+Valid, 5822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:02,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 2219 Invalid, 6719 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [897 Valid, 5822 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-21 13:44:02,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-21 13:44:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 690. [2022-11-21 13:44:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 539 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (124), 115 states have call predecessors, (124), 116 states have call successors, (124) [2022-11-21 13:44:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1009 transitions. [2022-11-21 13:44:02,996 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1009 transitions. Word has length 187 [2022-11-21 13:44:02,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:02,997 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1009 transitions. [2022-11-21 13:44:02,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.9) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-21 13:44:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1009 transitions. [2022-11-21 13:44:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-21 13:44:03,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:03,001 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:03,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 13:44:03,002 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:03,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:03,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2051569539, now seen corresponding path program 1 times [2022-11-21 13:44:03,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:03,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853969999] [2022-11-21 13:44:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:03,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 13:44:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:44:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 13:44:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 13:44:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 13:44:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 13:44:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-21 13:44:03,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:03,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853969999] [2022-11-21 13:44:03,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853969999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:03,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:03,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 13:44:03,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979877231] [2022-11-21 13:44:03,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:03,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 13:44:03,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:03,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 13:44:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:03,398 INFO L87 Difference]: Start difference. First operand 690 states and 1009 transitions. Second operand has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:08,307 INFO L93 Difference]: Finished difference Result 1671 states and 2535 transitions. [2022-11-21 13:44:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 13:44:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-11-21 13:44:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:08,315 INFO L225 Difference]: With dead ends: 1671 [2022-11-21 13:44:08,315 INFO L226 Difference]: Without dead ends: 1058 [2022-11-21 13:44:08,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-11-21 13:44:08,319 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 2003 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 6891 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 7728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 6891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:08,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 4884 Invalid, 7728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [837 Valid, 6891 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-21 13:44:08,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-11-21 13:44:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 695. [2022-11-21 13:44:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 542 states have internal predecessors, (770), 118 states have call successors, (118), 44 states have call predecessors, (118), 49 states have return successors, (129), 117 states have call predecessors, (129), 117 states have call successors, (129) [2022-11-21 13:44:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1017 transitions. [2022-11-21 13:44:08,449 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1017 transitions. Word has length 181 [2022-11-21 13:44:08,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:08,450 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 1017 transitions. [2022-11-21 13:44:08,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1017 transitions. [2022-11-21 13:44:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-21 13:44:08,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:08,455 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 13:44:08,455 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash 993731461, now seen corresponding path program 1 times [2022-11-21 13:44:08,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:08,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707187858] [2022-11-21 13:44:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 13:44:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:44:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 13:44:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 13:44:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 13:44:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 13:44:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 13:44:08,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:08,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707187858] [2022-11-21 13:44:08,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707187858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:08,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:08,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:44:08,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933625635] [2022-11-21 13:44:08,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:08,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:44:08,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:08,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:44:08,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:44:08,889 INFO L87 Difference]: Start difference. First operand 695 states and 1017 transitions. Second operand has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:13,251 INFO L93 Difference]: Finished difference Result 1449 states and 2164 transitions. [2022-11-21 13:44:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 13:44:13,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 181 [2022-11-21 13:44:13,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:13,285 INFO L225 Difference]: With dead ends: 1449 [2022-11-21 13:44:13,285 INFO L226 Difference]: Without dead ends: 833 [2022-11-21 13:44:13,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2022-11-21 13:44:13,289 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 2165 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5787 mSolverCounterSat, 873 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 6660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 873 IncrementalHoareTripleChecker+Valid, 5787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:13,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 2219 Invalid, 6660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [873 Valid, 5787 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-21 13:44:13,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2022-11-21 13:44:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 690. [2022-11-21 13:44:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 539 states have internal predecessors, (768), 117 states have call successors, (117), 44 states have call predecessors, (117), 47 states have return successors, (123), 115 states have call predecessors, (123), 116 states have call successors, (123) [2022-11-21 13:44:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1008 transitions. [2022-11-21 13:44:13,386 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1008 transitions. Word has length 181 [2022-11-21 13:44:13,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:13,386 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1008 transitions. [2022-11-21 13:44:13,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.5) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (28), 6 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1008 transitions. [2022-11-21 13:44:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-21 13:44:13,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:13,391 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:13,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 13:44:13,392 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1536390128, now seen corresponding path program 2 times [2022-11-21 13:44:13,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:13,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031015114] [2022-11-21 13:44:13,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:13,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 13:44:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:44:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-21 13:44:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 13:44:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 13:44:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 13:44:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-21 13:44:13,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:13,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031015114] [2022-11-21 13:44:13,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031015114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:13,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:13,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 13:44:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878685905] [2022-11-21 13:44:13,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:13,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 13:44:13,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:13,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 13:44:13,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:13,749 INFO L87 Difference]: Start difference. First operand 690 states and 1008 transitions. Second operand has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:18,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:18,509 INFO L93 Difference]: Finished difference Result 1448 states and 2165 transitions. [2022-11-21 13:44:18,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 13:44:18,510 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2022-11-21 13:44:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:18,514 INFO L225 Difference]: With dead ends: 1448 [2022-11-21 13:44:18,514 INFO L226 Difference]: Without dead ends: 835 [2022-11-21 13:44:18,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-11-21 13:44:18,518 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1975 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 6682 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 7501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 6682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:18,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 2635 Invalid, 7501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [819 Valid, 6682 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-21 13:44:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-21 13:44:18,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 692. [2022-11-21 13:44:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 541 states have internal predecessors, (769), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2022-11-21 13:44:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2022-11-21 13:44:18,606 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 182 [2022-11-21 13:44:18,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:18,606 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2022-11-21 13:44:18,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (28), 6 states have call predecessors, (28), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-21 13:44:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2022-11-21 13:44:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-21 13:44:18,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:18,611 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:18,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 13:44:18,612 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:18,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash -189660486, now seen corresponding path program 1 times [2022-11-21 13:44:18,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:18,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660785146] [2022-11-21 13:44:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:18,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 13:44:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 13:44:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:44:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:44:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 13:44:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 13:44:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 13:44:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-21 13:44:18,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:18,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660785146] [2022-11-21 13:44:18,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660785146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:18,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:18,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 13:44:18,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990267586] [2022-11-21 13:44:18,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:18,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 13:44:18,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 13:44:18,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:44:18,966 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 13:44:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:22,376 INFO L93 Difference]: Finished difference Result 1450 states and 2168 transitions. [2022-11-21 13:44:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 13:44:22,377 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 190 [2022-11-21 13:44:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:22,381 INFO L225 Difference]: With dead ends: 1450 [2022-11-21 13:44:22,381 INFO L226 Difference]: Without dead ends: 835 [2022-11-21 13:44:22,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-11-21 13:44:22,384 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 2186 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 897 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:22,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 1724 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [897 Valid, 4158 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-21 13:44:22,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-21 13:44:22,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 692. [2022-11-21 13:44:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 541 states have internal predecessors, (769), 117 states have call successors, (117), 44 states have call predecessors, (117), 48 states have return successors, (128), 115 states have call predecessors, (128), 116 states have call successors, (128) [2022-11-21 13:44:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2022-11-21 13:44:22,468 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 190 [2022-11-21 13:44:22,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:22,469 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2022-11-21 13:44:22,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 13:44:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2022-11-21 13:44:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-21 13:44:22,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:22,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:22,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 13:44:22,473 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:22,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:22,474 INFO L85 PathProgramCache]: Analyzing trace with hash 868177592, now seen corresponding path program 1 times [2022-11-21 13:44:22,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:22,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704108939] [2022-11-21 13:44:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:22,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 13:44:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 13:44:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:44:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:44:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 13:44:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 13:44:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 13:44:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:22,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:22,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704108939] [2022-11-21 13:44:22,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704108939] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:44:22,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191661262] [2022-11-21 13:44:22,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:22,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:44:22,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:44:22,678 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:44:22,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 13:44:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 13:44:23,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:44:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:23,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:44:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:23,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191661262] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:44:23,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 13:44:23,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-21 13:44:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344233022] [2022-11-21 13:44:23,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 13:44:23,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:44:23,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:23,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:44:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:44:23,200 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 13:44:26,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:26,756 INFO L93 Difference]: Finished difference Result 1722 states and 2647 transitions. [2022-11-21 13:44:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 13:44:26,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2022-11-21 13:44:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:26,763 INFO L225 Difference]: With dead ends: 1722 [2022-11-21 13:44:26,763 INFO L226 Difference]: Without dead ends: 1398 [2022-11-21 13:44:26,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-11-21 13:44:26,765 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 2455 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 3886 mSolverCounterSat, 1035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 3886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:26,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 2318 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1035 Valid, 3886 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-21 13:44:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2022-11-21 13:44:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1231. [2022-11-21 13:44:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 986 states have (on average 1.5141987829614605) internal successors, (1493), 1001 states have internal predecessors, (1493), 196 states have call successors, (196), 44 states have call predecessors, (196), 48 states have return successors, (217), 194 states have call predecessors, (217), 195 states have call successors, (217) [2022-11-21 13:44:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1906 transitions. [2022-11-21 13:44:26,902 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1906 transitions. Word has length 190 [2022-11-21 13:44:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:26,903 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1906 transitions. [2022-11-21 13:44:26,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 13:44:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1906 transitions. [2022-11-21 13:44:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 13:44:26,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:26,909 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:26,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 13:44:27,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d38f88-2b55-4b0b-ad15-97c25164235e/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-21 13:44:27,126 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash 603602140, now seen corresponding path program 1 times [2022-11-21 13:44:27,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:27,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572269128] [2022-11-21 13:44:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:44:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 13:44:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 13:44:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:44:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 13:44:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 13:44:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:27,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:27,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572269128] [2022-11-21 13:44:27,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572269128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:27,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:27,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:27,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054843366] [2022-11-21 13:44:27,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:27,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:27,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:27,327 INFO L87 Difference]: Start difference. First operand 1231 states and 1906 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:30,078 INFO L93 Difference]: Finished difference Result 2979 states and 4731 transitions. [2022-11-21 13:44:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:30,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2022-11-21 13:44:30,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:30,088 INFO L225 Difference]: With dead ends: 2979 [2022-11-21 13:44:30,088 INFO L226 Difference]: Without dead ends: 1883 [2022-11-21 13:44:30,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:30,092 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1951 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 2929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:30,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 1428 Invalid, 2929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:30,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2022-11-21 13:44:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1732. [2022-11-21 13:44:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1408 states have (on average 1.5262784090909092) internal successors, (2149), 1423 states have internal predecessors, (2149), 275 states have call successors, (275), 44 states have call predecessors, (275), 48 states have return successors, (306), 273 states have call predecessors, (306), 274 states have call successors, (306) [2022-11-21 13:44:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2730 transitions. [2022-11-21 13:44:30,271 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2730 transitions. Word has length 187 [2022-11-21 13:44:30,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:30,272 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2730 transitions. [2022-11-21 13:44:30,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2730 transitions. [2022-11-21 13:44:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-21 13:44:30,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:30,279 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:30,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 13:44:30,280 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash 549912264, now seen corresponding path program 1 times [2022-11-21 13:44:30,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:30,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837594447] [2022-11-21 13:44:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:30,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 13:44:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 13:44:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 13:44:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 13:44:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 13:44:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 13:44:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 13:44:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:30,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:30,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837594447] [2022-11-21 13:44:30,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837594447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:30,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:30,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:30,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589400303] [2022-11-21 13:44:30,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:30,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:30,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:30,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:30,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:30,444 INFO L87 Difference]: Start difference. First operand 1732 states and 2730 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:33,245 INFO L93 Difference]: Finished difference Result 4226 states and 6788 transitions. [2022-11-21 13:44:33,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:33,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 195 [2022-11-21 13:44:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:33,257 INFO L225 Difference]: With dead ends: 4226 [2022-11-21 13:44:33,258 INFO L226 Difference]: Without dead ends: 2692 [2022-11-21 13:44:33,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:33,262 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1970 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:33,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 1380 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [925 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2022-11-21 13:44:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2541. [2022-11-21 13:44:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 2098 states have (on average 1.5390848427073403) internal successors, (3229), 2113 states have internal predecessors, (3229), 394 states have call successors, (394), 44 states have call predecessors, (394), 48 states have return successors, (425), 392 states have call predecessors, (425), 393 states have call successors, (425) [2022-11-21 13:44:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 4048 transitions. [2022-11-21 13:44:33,547 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 4048 transitions. Word has length 195 [2022-11-21 13:44:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:33,548 INFO L495 AbstractCegarLoop]: Abstraction has 2541 states and 4048 transitions. [2022-11-21 13:44:33,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 4048 transitions. [2022-11-21 13:44:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-21 13:44:33,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:33,559 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:33,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 13:44:33,560 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -281148925, now seen corresponding path program 1 times [2022-11-21 13:44:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:33,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22175216] [2022-11-21 13:44:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 13:44:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 13:44:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 13:44:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 13:44:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 13:44:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 13:44:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:33,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:33,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22175216] [2022-11-21 13:44:33,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22175216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:33,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:33,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:33,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664001415] [2022-11-21 13:44:33,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:33,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:33,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:33,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:33,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:33,711 INFO L87 Difference]: Start difference. First operand 2541 states and 4048 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:36,524 INFO L93 Difference]: Finished difference Result 6125 states and 9945 transitions. [2022-11-21 13:44:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:36,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2022-11-21 13:44:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:36,544 INFO L225 Difference]: With dead ends: 6125 [2022-11-21 13:44:36,545 INFO L226 Difference]: Without dead ends: 3939 [2022-11-21 13:44:36,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:36,550 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1968 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 2863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:36,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1374 Invalid, 2863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:36,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-11-21 13:44:36,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3788. [2022-11-21 13:44:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3183 states have (on average 1.5497957901350927) internal successors, (4933), 3198 states have internal predecessors, (4933), 556 states have call successors, (556), 44 states have call predecessors, (556), 48 states have return successors, (603), 554 states have call predecessors, (603), 555 states have call successors, (603) [2022-11-21 13:44:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 6092 transitions. [2022-11-21 13:44:36,999 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 6092 transitions. Word has length 189 [2022-11-21 13:44:36,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:37,000 INFO L495 AbstractCegarLoop]: Abstraction has 3788 states and 6092 transitions. [2022-11-21 13:44:37,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 6092 transitions. [2022-11-21 13:44:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-21 13:44:37,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:37,013 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:37,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 13:44:37,013 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:37,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1497276490, now seen corresponding path program 1 times [2022-11-21 13:44:37,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:37,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982949006] [2022-11-21 13:44:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 13:44:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 13:44:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 13:44:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 13:44:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 13:44:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 13:44:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:37,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:37,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982949006] [2022-11-21 13:44:37,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982949006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:37,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:37,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298894943] [2022-11-21 13:44:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:37,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:37,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:37,169 INFO L87 Difference]: Start difference. First operand 3788 states and 6092 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:40,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:40,065 INFO L93 Difference]: Finished difference Result 9127 states and 14954 transitions. [2022-11-21 13:44:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:40,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-11-21 13:44:40,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:40,104 INFO L225 Difference]: With dead ends: 9127 [2022-11-21 13:44:40,104 INFO L226 Difference]: Without dead ends: 5953 [2022-11-21 13:44:40,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:40,113 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 1987 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:40,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 1371 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [917 Valid, 1938 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:40,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5953 states. [2022-11-21 13:44:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5953 to 5802. [2022-11-21 13:44:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5802 states, 4952 states have (on average 1.5587641357027464) internal successors, (7719), 4967 states have internal predecessors, (7719), 801 states have call successors, (801), 44 states have call predecessors, (801), 48 states have return successors, (874), 799 states have call predecessors, (874), 800 states have call successors, (874) [2022-11-21 13:44:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5802 states to 5802 states and 9394 transitions. [2022-11-21 13:44:40,697 INFO L78 Accepts]: Start accepts. Automaton has 5802 states and 9394 transitions. Word has length 190 [2022-11-21 13:44:40,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:40,697 INFO L495 AbstractCegarLoop]: Abstraction has 5802 states and 9394 transitions. [2022-11-21 13:44:40,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5802 states and 9394 transitions. [2022-11-21 13:44:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-21 13:44:40,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:40,714 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:40,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 13:44:40,714 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:40,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1153688354, now seen corresponding path program 1 times [2022-11-21 13:44:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:40,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874753092] [2022-11-21 13:44:40,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:40,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-21 13:44:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 13:44:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 13:44:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 13:44:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 13:44:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 13:44:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 13:44:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:40,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:40,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874753092] [2022-11-21 13:44:40,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874753092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:40,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:40,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:40,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464614371] [2022-11-21 13:44:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:40,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:40,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:40,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:40,920 INFO L87 Difference]: Start difference. First operand 5802 states and 9394 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:44,155 INFO L93 Difference]: Finished difference Result 14120 states and 23252 transitions. [2022-11-21 13:44:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:44,156 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-21 13:44:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:44,192 INFO L225 Difference]: With dead ends: 14120 [2022-11-21 13:44:44,192 INFO L226 Difference]: Without dead ends: 9328 [2022-11-21 13:44:44,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:44,206 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1968 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1990 mSolverCounterSat, 885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 2875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 885 IncrementalHoareTripleChecker+Valid, 1990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:44,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 1420 Invalid, 2875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [885 Valid, 1990 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:44,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9328 states. [2022-11-21 13:44:45,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9328 to 9177. [2022-11-21 13:44:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9177 states, 7834 states have (on average 1.5564207301506254) internal successors, (12193), 7849 states have internal predecessors, (12193), 1294 states have call successors, (1294), 44 states have call predecessors, (1294), 48 states have return successors, (1411), 1292 states have call predecessors, (1411), 1293 states have call successors, (1411) [2022-11-21 13:44:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9177 states to 9177 states and 14898 transitions. [2022-11-21 13:44:45,397 INFO L78 Accepts]: Start accepts. Automaton has 9177 states and 14898 transitions. Word has length 198 [2022-11-21 13:44:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:45,398 INFO L495 AbstractCegarLoop]: Abstraction has 9177 states and 14898 transitions. [2022-11-21 13:44:45,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 9177 states and 14898 transitions. [2022-11-21 13:44:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-21 13:44:45,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:45,422 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:45,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 13:44:45,423 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:45,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1779124811, now seen corresponding path program 1 times [2022-11-21 13:44:45,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:45,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064355341] [2022-11-21 13:44:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 13:44:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 13:44:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 13:44:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 13:44:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 13:44:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 13:44:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 13:44:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:45,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:45,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064355341] [2022-11-21 13:44:45,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064355341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:45,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:45,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:45,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313300826] [2022-11-21 13:44:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:45,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:45,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:45,626 INFO L87 Difference]: Start difference. First operand 9177 states and 14898 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:49,301 INFO L93 Difference]: Finished difference Result 23073 states and 38128 transitions. [2022-11-21 13:44:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 199 [2022-11-21 13:44:49,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:49,366 INFO L225 Difference]: With dead ends: 23073 [2022-11-21 13:44:49,366 INFO L226 Difference]: Without dead ends: 15402 [2022-11-21 13:44:49,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:49,392 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1986 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 915 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:49,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 1376 Invalid, 2872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [915 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15402 states. [2022-11-21 13:44:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15402 to 15251. [2022-11-21 13:44:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15251 states, 13086 states have (on average 1.5623567171022468) internal successors, (20445), 13101 states have internal predecessors, (20445), 2116 states have call successors, (2116), 44 states have call predecessors, (2116), 48 states have return successors, (2311), 2114 states have call predecessors, (2311), 2115 states have call successors, (2311) [2022-11-21 13:44:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15251 states to 15251 states and 24872 transitions. [2022-11-21 13:44:50,904 INFO L78 Accepts]: Start accepts. Automaton has 15251 states and 24872 transitions. Word has length 199 [2022-11-21 13:44:50,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:50,905 INFO L495 AbstractCegarLoop]: Abstraction has 15251 states and 24872 transitions. [2022-11-21 13:44:50,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:44:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 15251 states and 24872 transitions. [2022-11-21 13:44:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-21 13:44:50,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:50,930 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:50,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 13:44:50,931 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash -439265569, now seen corresponding path program 1 times [2022-11-21 13:44:50,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:50,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867102499] [2022-11-21 13:44:50,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 13:44:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 13:44:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:44:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 13:44:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 13:44:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-21 13:44:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:51,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:51,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867102499] [2022-11-21 13:44:51,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867102499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:51,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:51,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:51,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218582920] [2022-11-21 13:44:51,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:51,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:51,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:51,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:51,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:51,334 INFO L87 Difference]: Start difference. First operand 15251 states and 24872 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:55,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:55,631 INFO L93 Difference]: Finished difference Result 36882 states and 60512 transitions. [2022-11-21 13:44:55,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:44:55,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2022-11-21 13:44:55,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:55,727 INFO L225 Difference]: With dead ends: 36882 [2022-11-21 13:44:55,728 INFO L226 Difference]: Without dead ends: 24271 [2022-11-21 13:44:55,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:44:55,759 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1944 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 878 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 2880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 878 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:55,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 1375 Invalid, 2880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [878 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:44:55,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24271 states. [2022-11-21 13:44:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24271 to 24120. [2022-11-21 13:44:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24120 states, 20752 states have (on average 1.5354182729375483) internal successors, (31863), 20767 states have internal predecessors, (31863), 3319 states have call successors, (3319), 44 states have call predecessors, (3319), 48 states have return successors, (3658), 3317 states have call predecessors, (3658), 3318 states have call successors, (3658) [2022-11-21 13:44:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24120 states to 24120 states and 38840 transitions. [2022-11-21 13:44:58,222 INFO L78 Accepts]: Start accepts. Automaton has 24120 states and 38840 transitions. Word has length 193 [2022-11-21 13:44:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:58,223 INFO L495 AbstractCegarLoop]: Abstraction has 24120 states and 38840 transitions. [2022-11-21 13:44:58,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 13:44:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24120 states and 38840 transitions. [2022-11-21 13:44:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-21 13:44:58,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:58,243 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:44:58,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 13:44:58,244 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:58,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:58,244 INFO L85 PathProgramCache]: Analyzing trace with hash 166441101, now seen corresponding path program 1 times [2022-11-21 13:44:58,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:58,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248197137] [2022-11-21 13:44:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:44:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:44:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:44:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:44:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:44:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:44:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:44:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:44:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:44:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:44:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 13:44:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 13:44:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 13:44:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 13:44:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 13:44:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 13:44:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 13:44:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:44:58,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:58,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248197137] [2022-11-21 13:44:58,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248197137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:58,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:58,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:44:58,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630699625] [2022-11-21 13:44:58,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:58,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:44:58,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:58,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:44:58,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:44:58,401 INFO L87 Difference]: Start difference. First operand 24120 states and 38840 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:45:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:45:03,858 INFO L93 Difference]: Finished difference Result 63735 states and 104200 transitions. [2022-11-21 13:45:03,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:45:03,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 201 [2022-11-21 13:45:03,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:45:04,001 INFO L225 Difference]: With dead ends: 63735 [2022-11-21 13:45:04,001 INFO L226 Difference]: Without dead ends: 43067 [2022-11-21 13:45:04,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:45:04,054 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1939 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 2901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:45:04,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 1377 Invalid, 2901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [899 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 13:45:04,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43067 states. [2022-11-21 13:45:08,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43067 to 42916. [2022-11-21 13:45:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42916 states, 37098 states have (on average 1.5354736104372204) internal successors, (56963), 37113 states have internal predecessors, (56963), 5769 states have call successors, (5769), 44 states have call predecessors, (5769), 48 states have return successors, (6382), 5767 states have call predecessors, (6382), 5768 states have call successors, (6382) [2022-11-21 13:45:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42916 states to 42916 states and 69114 transitions. [2022-11-21 13:45:08,322 INFO L78 Accepts]: Start accepts. Automaton has 42916 states and 69114 transitions. Word has length 201 [2022-11-21 13:45:08,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:45:08,322 INFO L495 AbstractCegarLoop]: Abstraction has 42916 states and 69114 transitions. [2022-11-21 13:45:08,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:45:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 42916 states and 69114 transitions. [2022-11-21 13:45:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-21 13:45:08,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:45:08,344 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:08,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 13:45:08,344 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:45:08,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:08,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1619790436, now seen corresponding path program 1 times [2022-11-21 13:45:08,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:08,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155904540] [2022-11-21 13:45:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:45:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:45:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:45:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:45:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:45:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:45:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:45:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:45:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:45:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:45:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:45:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:45:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:45:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:45:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 13:45:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:45:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 13:45:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 13:45:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 13:45:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 13:45:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:45:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:45:08,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:08,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155904540] [2022-11-21 13:45:08,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155904540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:08,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:08,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:45:08,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069110915] [2022-11-21 13:45:08,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:08,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:45:08,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:08,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:45:08,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:45:08,504 INFO L87 Difference]: Start difference. First operand 42916 states and 69114 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:45:16,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:45:16,571 INFO L93 Difference]: Finished difference Result 116397 states and 190154 transitions. [2022-11-21 13:45:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:45:16,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 202 [2022-11-21 13:45:16,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:45:16,829 INFO L225 Difference]: With dead ends: 116397 [2022-11-21 13:45:16,830 INFO L226 Difference]: Without dead ends: 78109 [2022-11-21 13:45:16,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:45:16,908 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1956 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-21 13:45:16,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 1393 Invalid, 2892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [892 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-21 13:45:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78109 states. [2022-11-21 13:45:22,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78109 to 77958. [2022-11-21 13:45:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77958 states, 67627 states have (on average 1.5391042039422125) internal successors, (104085), 67642 states have internal predecessors, (104085), 10282 states have call successors, (10282), 44 states have call predecessors, (10282), 48 states have return successors, (11427), 10280 states have call predecessors, (11427), 10281 states have call successors, (11427) [2022-11-21 13:45:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77958 states to 77958 states and 125794 transitions. [2022-11-21 13:45:23,117 INFO L78 Accepts]: Start accepts. Automaton has 77958 states and 125794 transitions. Word has length 202 [2022-11-21 13:45:23,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:45:23,117 INFO L495 AbstractCegarLoop]: Abstraction has 77958 states and 125794 transitions. [2022-11-21 13:45:23,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 13:45:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 77958 states and 125794 transitions. [2022-11-21 13:45:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-21 13:45:23,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:45:23,149 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:23,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 13:45:23,149 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:45:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:23,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1754430279, now seen corresponding path program 1 times [2022-11-21 13:45:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:23,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956846132] [2022-11-21 13:45:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:45:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:45:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 13:45:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:45:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 13:45:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 13:45:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 13:45:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:45:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 13:45:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:45:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 13:45:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:45:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:45:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 13:45:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 13:45:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:45:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:45:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 13:45:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 13:45:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 13:45:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-21 13:45:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 13:45:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:23,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956846132] [2022-11-21 13:45:23,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956846132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:23,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:23,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:45:23,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952385609] [2022-11-21 13:45:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:23,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:45:23,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:23,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:45:23,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:45:23,356 INFO L87 Difference]: Start difference. First operand 77958 states and 125794 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)