./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN --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 c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 --- 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-6b4ec56 [2022-11-20 11:13:57,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:13:57,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:13:57,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:13:57,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:13:57,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:13:57,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:13:57,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:13:57,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:13:57,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:13:57,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:13:57,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:13:57,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:13:57,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:13:57,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:13:57,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:13:57,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:13:57,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:13:57,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:13:57,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:13:57,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:13:57,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:13:57,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:13:57,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:13:57,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:13:57,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:13:57,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:13:57,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:13:57,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:13:57,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:13:57,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:13:57,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:13:57,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:13:57,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:13:57,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:13:57,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:13:57,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:13:57,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:13:57,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:13:57,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:13:57,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:13:57,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:13:57,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:13:57,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:13:57,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:13:57,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:13:57,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:13:57,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:13:57,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:13:57,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:13:57,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:13:57,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:13:57,992 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:13:57,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:13:57,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:13:57,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:13:57,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:13:57,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:13:57,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:13:57,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:13:57,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:13:57,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:13:57,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:13:57,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:13:57,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:13:57,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:13:57,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:13:57,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:13:57,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:13:57,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:13:58,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:13:58,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:13:58,002 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:13:58,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:13:58,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:13:58,003 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_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c86855dab8667fe80df418e2dda62d52081f1a657b6492a63fb3d2a1da4890b5 [2022-11-20 11:13:58,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:13:58,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:13:58,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:13:58,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:13:58,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:13:58,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2022-11-20 11:14:01,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:14:01,798 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:14:01,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c [2022-11-20 11:14:01,819 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/data/599227d62/411329e841a7452bae473b9c31d62c2e/FLAGca43a9233 [2022-11-20 11:14:01,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/data/599227d62/411329e841a7452bae473b9c31d62c2e [2022-11-20 11:14:01,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:14:01,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:14:01,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:14:01,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:14:01,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:14:01,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:01" (1/1) ... [2022-11-20 11:14:01,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4f1387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:01, skipping insertion in model container [2022-11-20 11:14:01,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:01" (1/1) ... [2022-11-20 11:14:01,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:14:01,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:14:02,350 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_3ec2a08c-914c-47b5-821a-ec7c8485218b/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c[17001,17014] [2022-11-20 11:14:02,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:14:02,683 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:14:02,740 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_3ec2a08c-914c-47b5-821a-ec7c8485218b/sv-benchmarks/c/product-lines/email_spec6_productSimulator.cil.c[17001,17014] [2022-11-20 11:14:02,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:14:02,839 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:14:02,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02 WrapperNode [2022-11-20 11:14:02,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:14:02,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:14:02,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:14:02,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:14:02,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:02,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:02,953 INFO L138 Inliner]: procedures = 152, calls = 290, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1339 [2022-11-20 11:14:02,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:14:02,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:14:02,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:14:02,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:14:02,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:02,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:02,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:02,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:14:03,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:14:03,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:14:03,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:14:03,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (1/1) ... [2022-11-20 11:14:03,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:14:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:03,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:03,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:14:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-20 11:14:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-20 11:14:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2022-11-20 11:14:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2022-11-20 11:14:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2022-11-20 11:14:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2022-11-20 11:14:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-20 11:14:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-20 11:14:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-20 11:14:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-20 11:14:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-20 11:14:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-20 11:14:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-20 11:14:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-20 11:14:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2022-11-20 11:14:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2022-11-20 11:14:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-20 11:14:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-20 11:14:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2022-11-20 11:14:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2022-11-20 11:14:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-20 11:14:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-20 11:14:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-20 11:14:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-20 11:14:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-20 11:14:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-20 11:14:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2022-11-20 11:14:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2022-11-20 11:14:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2022-11-20 11:14:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2022-11-20 11:14:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-20 11:14:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-20 11:14:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-20 11:14:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-20 11:14:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-20 11:14:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-20 11:14:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-20 11:14:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2022-11-20 11:14:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2022-11-20 11:14:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-20 11:14:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-20 11:14:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-20 11:14:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-20 11:14:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-20 11:14:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-20 11:14:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2022-11-20 11:14:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2022-11-20 11:14:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:14:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-20 11:14:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-20 11:14:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-20 11:14:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-20 11:14:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2022-11-20 11:14:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2022-11-20 11:14:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2022-11-20 11:14:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2022-11-20 11:14:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2022-11-20 11:14:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2022-11-20 11:14:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-20 11:14:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-20 11:14:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-20 11:14:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-20 11:14:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-20 11:14:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-20 11:14:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-20 11:14:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-20 11:14:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-20 11:14:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-20 11:14:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-20 11:14:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-20 11:14:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-20 11:14:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-20 11:14:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2022-11-20 11:14:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2022-11-20 11:14:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2022-11-20 11:14:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2022-11-20 11:14:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-20 11:14:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-20 11:14:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-20 11:14:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-20 11:14:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:14:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-20 11:14:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-20 11:14:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2022-11-20 11:14:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2022-11-20 11:14:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-11-20 11:14:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-11-20 11:14:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-20 11:14:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-20 11:14:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:14:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:14:03,487 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:14:03,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:14:04,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:14:04,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:14:04,840 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:14:04,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:04 BoogieIcfgContainer [2022-11-20 11:14:04,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:14:04,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:14:04,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:14:04,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:14:04,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:14:01" (1/3) ... [2022-11-20 11:14:04,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4f32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:04, skipping insertion in model container [2022-11-20 11:14:04,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:02" (2/3) ... [2022-11-20 11:14:04,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4f32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:04, skipping insertion in model container [2022-11-20 11:14:04,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:04" (3/3) ... [2022-11-20 11:14:04,852 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2022-11-20 11:14:04,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:14:04,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:14:04,933 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:14:04,939 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;@5f18e8a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:14:04,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:14:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 451 states have (on average 1.5121951219512195) internal successors, (682), 471 states have internal predecessors, (682), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2022-11-20 11:14:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 11:14:04,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:04,971 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-11-20 11:14:04,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2014062486, now seen corresponding path program 1 times [2022-11-20 11:14:04,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:04,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291366190] [2022-11-20 11:14:04,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:14:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:14:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 11:14:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:14:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 11:14:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:14:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 11:14:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-20 11:14:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-20 11:14:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 11:14:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-20 11:14:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 11:14:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 11:14:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:14:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 11:14:05,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:05,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291366190] [2022-11-20 11:14:05,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291366190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:05,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:05,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:14:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563531649] [2022-11-20 11:14:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:05,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:14:05,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:05,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:14:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:14:05,870 INFO L87 Difference]: Start difference. First operand has 608 states, 451 states have (on average 1.5121951219512195) internal successors, (682), 471 states have internal predecessors, (682), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:14:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:08,354 INFO L93 Difference]: Finished difference Result 1093 states and 1648 transitions. [2022-11-20 11:14:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:14:08,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 173 [2022-11-20 11:14:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:08,385 INFO L225 Difference]: With dead ends: 1093 [2022-11-20 11:14:08,385 INFO L226 Difference]: Without dead ends: 747 [2022-11-20 11:14:08,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:14:08,401 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1366 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:08,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 1035 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 11:14:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-20 11:14:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 601. [2022-11-20 11:14:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 445 states have (on average 1.5078651685393258) internal successors, (671), 464 states have internal predecessors, (671), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2022-11-20 11:14:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 894 transitions. [2022-11-20 11:14:08,608 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 894 transitions. Word has length 173 [2022-11-20 11:14:08,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:08,610 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 894 transitions. [2022-11-20 11:14:08,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:14:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 894 transitions. [2022-11-20 11:14:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-20 11:14:08,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:08,626 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, 1, 1, 1] [2022-11-20 11:14:08,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:14:08,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1403721134, now seen corresponding path program 1 times [2022-11-20 11:14:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:08,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131892630] [2022-11-20 11:14:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:08,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:14:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:14:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 11:14:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:14:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 11:14:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 11:14:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:14:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-20 11:14:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-20 11:14:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 11:14:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:14:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:14:09,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:09,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131892630] [2022-11-20 11:14:09,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131892630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:09,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:09,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:14:09,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644831966] [2022-11-20 11:14:09,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:09,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:14:09,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:09,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:14:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:14:09,106 INFO L87 Difference]: Start difference. First operand 601 states and 894 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-20 11:14:12,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:12,377 INFO L93 Difference]: Finished difference Result 1312 states and 1978 transitions. [2022-11-20 11:14:12,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:14:12,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2022-11-20 11:14:12,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:12,383 INFO L225 Difference]: With dead ends: 1312 [2022-11-20 11:14:12,383 INFO L226 Difference]: Without dead ends: 747 [2022-11-20 11:14:12,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:14:12,387 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1363 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:12,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 1783 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 11:14:12,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-20 11:14:12,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 601. [2022-11-20 11:14:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 445 states have (on average 1.4921348314606742) internal successors, (664), 464 states have internal predecessors, (664), 112 states have call successors, (112), 43 states have call predecessors, (112), 43 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2022-11-20 11:14:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 887 transitions. [2022-11-20 11:14:12,438 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 887 transitions. Word has length 153 [2022-11-20 11:14:12,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:12,438 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 887 transitions. [2022-11-20 11:14:12,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-20 11:14:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 887 transitions. [2022-11-20 11:14:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 11:14:12,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:12,443 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:12,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:14:12,443 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:12,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1239383395, now seen corresponding path program 1 times [2022-11-20 11:14:12,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:12,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444977512] [2022-11-20 11:14:12,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:12,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:14:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 11:14:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:14:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 11:14:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:14:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-20 11:14:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 11:14:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-20 11:14:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 11:14:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:14:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-20 11:14:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 11:14:12,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:12,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444977512] [2022-11-20 11:14:12,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444977512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:12,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:12,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:14:12,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966651087] [2022-11-20 11:14:12,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:12,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:14:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:12,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:14:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:14:12,727 INFO L87 Difference]: Start difference. First operand 601 states and 887 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 11:14:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:15,014 INFO L93 Difference]: Finished difference Result 1322 states and 2010 transitions. [2022-11-20 11:14:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:14:15,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 158 [2022-11-20 11:14:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:15,019 INFO L225 Difference]: With dead ends: 1322 [2022-11-20 11:14:15,020 INFO L226 Difference]: Without dead ends: 746 [2022-11-20 11:14:15,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:15,023 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 2078 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 864 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:15,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 962 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [864 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 11:14:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-11-20 11:14:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 600. [2022-11-20 11:14:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 446 states have (on average 1.4798206278026906) internal successors, (660), 463 states have internal predecessors, (660), 109 states have call successors, (109), 44 states have call predecessors, (109), 44 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2022-11-20 11:14:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 877 transitions. [2022-11-20 11:14:15,082 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 877 transitions. Word has length 158 [2022-11-20 11:14:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:15,082 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 877 transitions. [2022-11-20 11:14:15,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 11:14:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 877 transitions. [2022-11-20 11:14:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 11:14:15,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:15,086 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-11-20 11:14:15,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:14:15,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:15,088 INFO L85 PathProgramCache]: Analyzing trace with hash -780436113, now seen corresponding path program 1 times [2022-11-20 11:14:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:15,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432819076] [2022-11-20 11:14:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-20 11:14:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:14:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 11:14:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 11:14:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 11:14:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:14:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 11:14:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-20 11:14:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 11:14:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 11:14:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 11:14:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-20 11:14:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 11:14:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 11:14:15,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:15,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432819076] [2022-11-20 11:14:15,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432819076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:15,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:15,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:14:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399635603] [2022-11-20 11:14:15,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:15,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:14:15,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:15,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:14:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:14:15,289 INFO L87 Difference]: Start difference. First operand 600 states and 877 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:14:17,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:17,498 INFO L93 Difference]: Finished difference Result 1314 states and 1970 transitions. [2022-11-20 11:14:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:14:17,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 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 174 [2022-11-20 11:14:17,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:17,505 INFO L225 Difference]: With dead ends: 1314 [2022-11-20 11:14:17,505 INFO L226 Difference]: Without dead ends: 744 [2022-11-20 11:14:17,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:17,518 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 2057 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:17,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 979 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 11:14:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-11-20 11:14:17,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 599. [2022-11-20 11:14:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 446 states have (on average 1.4753363228699552) internal successors, (658), 462 states have internal predecessors, (658), 108 states have call successors, (108), 44 states have call predecessors, (108), 44 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2022-11-20 11:14:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 873 transitions. [2022-11-20 11:14:17,578 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 873 transitions. Word has length 174 [2022-11-20 11:14:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:17,579 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 873 transitions. [2022-11-20 11:14:17,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:14:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 873 transitions. [2022-11-20 11:14:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 11:14:17,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:17,584 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-11-20 11:14:17,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:14:17,587 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:17,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1151489211, now seen corresponding path program 1 times [2022-11-20 11:14:17,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:17,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010531544] [2022-11-20 11:14:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 11:14:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-20 11:14:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:14:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 11:14:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 11:14:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 11:14:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:14:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 11:14:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 11:14:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 11:14:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:14:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:14:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 11:14:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 11:14:17,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:17,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010531544] [2022-11-20 11:14:17,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010531544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:17,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:17,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:14:17,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044453704] [2022-11-20 11:14:17,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:17,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:14:17,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:14:17,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:14:17,797 INFO L87 Difference]: Start difference. First operand 599 states and 873 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:14:19,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:19,945 INFO L93 Difference]: Finished difference Result 1294 states and 1917 transitions. [2022-11-20 11:14:19,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:14:19,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 182 [2022-11-20 11:14:19,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:19,953 INFO L225 Difference]: With dead ends: 1294 [2022-11-20 11:14:19,954 INFO L226 Difference]: Without dead ends: 741 [2022-11-20 11:14:19,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:19,959 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 2020 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:19,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 887 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [830 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 11:14:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-20 11:14:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 596. [2022-11-20 11:14:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 446 states have (on average 1.4506726457399104) internal successors, (647), 457 states have internal predecessors, (647), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-20 11:14:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 856 transitions. [2022-11-20 11:14:20,019 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 856 transitions. Word has length 182 [2022-11-20 11:14:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:20,019 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 856 transitions. [2022-11-20 11:14:20,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:14:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 856 transitions. [2022-11-20 11:14:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-20 11:14:20,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:20,024 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 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, 1, 1, 1, 1] [2022-11-20 11:14:20,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:14:20,024 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:20,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:20,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1278503715, now seen corresponding path program 1 times [2022-11-20 11:14:20,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:20,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591503106] [2022-11-20 11:14:20,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:20,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-20 11:14:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 11:14:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 11:14:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 11:14:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:14:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 11:14:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 11:14:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 11:14:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-20 11:14:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 11:14:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-20 11:14:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 11:14:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:14:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-20 11:14:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 11:14:20,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:20,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591503106] [2022-11-20 11:14:20,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591503106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:14:20,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260024846] [2022-11-20 11:14:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:20,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:20,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:14:20,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:14:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:20,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:14:20,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-20 11:14:21,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:21,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260024846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:21,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:14:21,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-11-20 11:14:21,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144539519] [2022-11-20 11:14:21,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:21,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:14:21,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:21,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:14:21,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:21,055 INFO L87 Difference]: Start difference. First operand 596 states and 856 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:14:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:21,151 INFO L93 Difference]: Finished difference Result 927 states and 1313 transitions. [2022-11-20 11:14:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:14:21,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 200 [2022-11-20 11:14:21,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:21,155 INFO L225 Difference]: With dead ends: 927 [2022-11-20 11:14:21,155 INFO L226 Difference]: Without dead ends: 599 [2022-11-20 11:14:21,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:21,158 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 1 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1702 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 [2022-11-20 11:14:21,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:14:21,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-11-20 11:14:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 598. [2022-11-20 11:14:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 448 states have (on average 1.4486607142857142) internal successors, (649), 459 states have internal predecessors, (649), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-20 11:14:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 858 transitions. [2022-11-20 11:14:21,246 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 858 transitions. Word has length 200 [2022-11-20 11:14:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 858 transitions. [2022-11-20 11:14:21,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:14:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 858 transitions. [2022-11-20 11:14:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:14:21,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:21,252 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:21,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:21,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:21,461 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:21,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2056474531, now seen corresponding path program 1 times [2022-11-20 11:14:21,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:21,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135120793] [2022-11-20 11:14:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-20 11:14:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 11:14:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 11:14:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 11:14:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 11:14:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 11:14:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-20 11:14:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-20 11:14:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:14:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 11:14:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-20 11:14:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:14:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 11:14:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:14:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 11:14:21,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:21,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135120793] [2022-11-20 11:14:21,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135120793] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:14:21,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305990402] [2022-11-20 11:14:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:21,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:21,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:14:21,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:14:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:22,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:14:22,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-20 11:14:22,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:22,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305990402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:22,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:14:22,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-11-20 11:14:22,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234920798] [2022-11-20 11:14:22,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:22,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:14:22,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:22,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:14:22,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:22,469 INFO L87 Difference]: Start difference. First operand 598 states and 858 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:14:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:22,539 INFO L93 Difference]: Finished difference Result 1216 states and 1777 transitions. [2022-11-20 11:14:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:14:22,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 208 [2022-11-20 11:14:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:22,567 INFO L225 Difference]: With dead ends: 1216 [2022-11-20 11:14:22,568 INFO L226 Difference]: Without dead ends: 696 [2022-11-20 11:14:22,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:22,570 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 165 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1692 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 [2022-11-20 11:14:22,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1692 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:14:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-11-20 11:14:22,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 688. [2022-11-20 11:14:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 524 states have (on average 1.463740458015267) internal successors, (767), 535 states have internal predecessors, (767), 119 states have call successors, (119), 44 states have call predecessors, (119), 44 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2022-11-20 11:14:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1004 transitions. [2022-11-20 11:14:22,634 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1004 transitions. Word has length 208 [2022-11-20 11:14:22,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:22,635 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1004 transitions. [2022-11-20 11:14:22,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:14:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1004 transitions. [2022-11-20 11:14:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-20 11:14:22,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:22,640 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:22,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:22,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:22,847 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:22,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:22,848 INFO L85 PathProgramCache]: Analyzing trace with hash 559214179, now seen corresponding path program 1 times [2022-11-20 11:14:22,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:22,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618307243] [2022-11-20 11:14:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-20 11:14:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 11:14:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 11:14:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:14:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-20 11:14:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:14:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-20 11:14:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:14:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:14:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:14:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 11:14:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:14:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 11:14:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 11:14:23,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:23,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618307243] [2022-11-20 11:14:23,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618307243] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:14:23,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784750240] [2022-11-20 11:14:23,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:23,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:14:23,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:14:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:23,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:14:23,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 11:14:23,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:23,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784750240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:23,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:14:23,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-11-20 11:14:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743699385] [2022-11-20 11:14:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:23,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:14:23,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:14:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-20 11:14:23,888 INFO L87 Difference]: Start difference. First operand 688 states and 1004 transitions. Second operand has 8 states, 6 states have (on average 19.833333333333332) internal successors, (119), 8 states have internal predecessors, (119), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 11:14:24,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:24,296 INFO L93 Difference]: Finished difference Result 1323 states and 1945 transitions. [2022-11-20 11:14:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:14:24,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.833333333333332) internal successors, (119), 8 states have internal predecessors, (119), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 202 [2022-11-20 11:14:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:24,302 INFO L225 Difference]: With dead ends: 1323 [2022-11-20 11:14:24,302 INFO L226 Difference]: Without dead ends: 690 [2022-11-20 11:14:24,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:14:24,306 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 363 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 5478 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:24,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 5478 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:14:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-11-20 11:14:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2022-11-20 11:14:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 537 states have internal predecessors, (768), 119 states have call successors, (119), 44 states have call predecessors, (119), 45 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2022-11-20 11:14:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1007 transitions. [2022-11-20 11:14:24,387 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1007 transitions. Word has length 202 [2022-11-20 11:14:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:24,387 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1007 transitions. [2022-11-20 11:14:24,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.833333333333332) internal successors, (119), 8 states have internal predecessors, (119), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 11:14:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1007 transitions. [2022-11-20 11:14:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-20 11:14:24,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:24,392 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:24,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:24,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 11:14:24,606 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1597410583, now seen corresponding path program 1 times [2022-11-20 11:14:24,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:24,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060503383] [2022-11-20 11:14:24,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 11:14:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:14:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 11:14:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 11:14:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 11:14:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 11:14:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:14:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-20 11:14:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 11:14:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 11:14:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:14:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:14:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-20 11:14:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 11:14:25,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:25,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060503383] [2022-11-20 11:14:25,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060503383] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:14:25,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308872706] [2022-11-20 11:14:25,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:25,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:25,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:25,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:14:25,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:14:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1618 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:14:25,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 11:14:25,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:25,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308872706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:25,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:14:25,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2022-11-20 11:14:25,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729595277] [2022-11-20 11:14:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:25,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:14:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:14:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:14:25,734 INFO L87 Difference]: Start difference. First operand 690 states and 1007 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:14:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:25,980 INFO L93 Difference]: Finished difference Result 1324 states and 1949 transitions. [2022-11-20 11:14:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:14:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 210 [2022-11-20 11:14:25,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:25,985 INFO L225 Difference]: With dead ends: 1324 [2022-11-20 11:14:25,985 INFO L226 Difference]: Without dead ends: 692 [2022-11-20 11:14:25,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:14:25,990 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 361 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 3800 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 [2022-11-20 11:14:25,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 3800 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:14:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-11-20 11:14:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2022-11-20 11:14:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 539 states have internal predecessors, (769), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2022-11-20 11:14:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1013 transitions. [2022-11-20 11:14:26,062 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1013 transitions. Word has length 210 [2022-11-20 11:14:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:26,063 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1013 transitions. [2022-11-20 11:14:26,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:14:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1013 transitions. [2022-11-20 11:14:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-20 11:14:26,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:26,068 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:26,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:26,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:26,276 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:26,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1181240852, now seen corresponding path program 1 times [2022-11-20 11:14:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012833064] [2022-11-20 11:14:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 11:14:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 11:14:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:14:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-20 11:14:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 11:14:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 11:14:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:14:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 11:14:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-20 11:14:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 11:14:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 11:14:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-20 11:14:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 11:14:26,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:26,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012833064] [2022-11-20 11:14:26,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012833064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:26,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:26,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 11:14:26,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171397653] [2022-11-20 11:14:26,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:26,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:14:26,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:26,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:14:26,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:26,735 INFO L87 Difference]: Start difference. First operand 692 states and 1013 transitions. Second operand has 12 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:31,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:31,511 INFO L93 Difference]: Finished difference Result 1461 states and 2183 transitions. [2022-11-20 11:14:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:14:31,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 211 [2022-11-20 11:14:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:31,517 INFO L225 Difference]: With dead ends: 1461 [2022-11-20 11:14:31,518 INFO L226 Difference]: Without dead ends: 841 [2022-11-20 11:14:31,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-11-20 11:14:31,520 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 2164 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5807 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 6696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 5807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:31,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 2220 Invalid, 6696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [889 Valid, 5807 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-20 11:14:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2022-11-20 11:14:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 692. [2022-11-20 11:14:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 539 states have internal predecessors, (769), 119 states have call successors, (119), 44 states have call predecessors, (119), 46 states have return successors, (124), 117 states have call predecessors, (124), 118 states have call successors, (124) [2022-11-20 11:14:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1012 transitions. [2022-11-20 11:14:31,614 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1012 transitions. Word has length 211 [2022-11-20 11:14:31,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:31,615 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1012 transitions. [2022-11-20 11:14:31,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1012 transitions. [2022-11-20 11:14:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-20 11:14:31,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:31,620 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:31,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:14:31,620 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:31,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1817892060, now seen corresponding path program 1 times [2022-11-20 11:14:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:31,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757253757] [2022-11-20 11:14:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 11:14:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-20 11:14:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-20 11:14:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 11:14:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 11:14:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:14:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:14:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-20 11:14:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 11:14:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 11:14:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 11:14:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 11:14:32,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:32,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757253757] [2022-11-20 11:14:32,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757253757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:32,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:32,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 11:14:32,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336620736] [2022-11-20 11:14:32,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:32,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:14:32,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:32,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:14:32,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:32,087 INFO L87 Difference]: Start difference. First operand 692 states and 1012 transitions. Second operand has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 11:14:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:36,714 INFO L93 Difference]: Finished difference Result 1463 states and 2186 transitions. [2022-11-20 11:14:36,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:14:36,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 205 [2022-11-20 11:14:36,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:36,720 INFO L225 Difference]: With dead ends: 1463 [2022-11-20 11:14:36,720 INFO L226 Difference]: Without dead ends: 843 [2022-11-20 11:14:36,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-11-20 11:14:36,723 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 2178 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5889 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 6781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 5889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:36,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 2219 Invalid, 6781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [892 Valid, 5889 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 11:14:36,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-11-20 11:14:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 694. [2022-11-20 11:14:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 541 states have internal predecessors, (770), 119 states have call successors, (119), 44 states have call predecessors, (119), 47 states have return successors, (126), 117 states have call predecessors, (126), 118 states have call successors, (126) [2022-11-20 11:14:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1015 transitions. [2022-11-20 11:14:36,803 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1015 transitions. Word has length 205 [2022-11-20 11:14:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:36,803 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 1015 transitions. [2022-11-20 11:14:36,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 11:14:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1015 transitions. [2022-11-20 11:14:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-20 11:14:36,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:36,809 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:36,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:14:36,809 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:36,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:36,810 INFO L85 PathProgramCache]: Analyzing trace with hash -859538639, now seen corresponding path program 1 times [2022-11-20 11:14:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:36,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387994138] [2022-11-20 11:14:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:14:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 11:14:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 11:14:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:14:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 11:14:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 11:14:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-20 11:14:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:14:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:14:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:14:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 11:14:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-20 11:14:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 11:14:37,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:37,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387994138] [2022-11-20 11:14:37,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387994138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:37,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:37,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 11:14:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119282944] [2022-11-20 11:14:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:37,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:14:37,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:37,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:14:37,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:37,285 INFO L87 Difference]: Start difference. First operand 694 states and 1015 transitions. Second operand has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:43,092 INFO L93 Difference]: Finished difference Result 1683 states and 2553 transitions. [2022-11-20 11:14:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:14:43,093 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 213 [2022-11-20 11:14:43,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:43,107 INFO L225 Difference]: With dead ends: 1683 [2022-11-20 11:14:43,107 INFO L226 Difference]: Without dead ends: 1066 [2022-11-20 11:14:43,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-11-20 11:14:43,117 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 2000 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 857 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 4797 SdHoareTripleChecker+Invalid, 7838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 857 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:43,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 4797 Invalid, 7838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [857 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-20 11:14:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-11-20 11:14:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 699. [2022-11-20 11:14:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 529 states have (on average 1.4593572778827977) internal successors, (772), 544 states have internal predecessors, (772), 120 states have call successors, (120), 44 states have call predecessors, (120), 49 states have return successors, (131), 119 states have call predecessors, (131), 119 states have call successors, (131) [2022-11-20 11:14:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1023 transitions. [2022-11-20 11:14:43,230 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1023 transitions. Word has length 213 [2022-11-20 11:14:43,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:43,231 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 1023 transitions. [2022-11-20 11:14:43,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1023 transitions. [2022-11-20 11:14:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-20 11:14:43,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:43,235 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:43,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:14:43,236 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:43,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:43,237 INFO L85 PathProgramCache]: Analyzing trace with hash 867606323, now seen corresponding path program 1 times [2022-11-20 11:14:43,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:43,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836007292] [2022-11-20 11:14:43,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:43,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:14:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 11:14:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 11:14:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:14:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 11:14:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 11:14:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-20 11:14:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:14:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:14:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:14:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 11:14:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-20 11:14:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 11:14:43,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:43,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836007292] [2022-11-20 11:14:43,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836007292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:43,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:43,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 11:14:43,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665647649] [2022-11-20 11:14:43,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:43,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:14:43,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:43,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:14:43,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:14:43,797 INFO L87 Difference]: Start difference. First operand 699 states and 1023 transitions. Second operand has 12 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:49,098 INFO L93 Difference]: Finished difference Result 1461 states and 2182 transitions. [2022-11-20 11:14:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:14:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 213 [2022-11-20 11:14:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:49,104 INFO L225 Difference]: With dead ends: 1461 [2022-11-20 11:14:49,104 INFO L226 Difference]: Without dead ends: 841 [2022-11-20 11:14:49,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:14:49,108 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 2165 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 5870 mSolverCounterSat, 899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 6769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 5870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:49,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 2219 Invalid, 6769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [899 Valid, 5870 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-20 11:14:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2022-11-20 11:14:49,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 694. [2022-11-20 11:14:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 541 states have internal predecessors, (770), 119 states have call successors, (119), 44 states have call predecessors, (119), 47 states have return successors, (125), 117 states have call predecessors, (125), 118 states have call successors, (125) [2022-11-20 11:14:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1014 transitions. [2022-11-20 11:14:49,208 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1014 transitions. Word has length 213 [2022-11-20 11:14:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:49,208 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 1014 transitions. [2022-11-20 11:14:49,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1014 transitions. [2022-11-20 11:14:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-20 11:14:49,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:49,212 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:49,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:14:49,213 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:49,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:49,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2062587758, now seen corresponding path program 2 times [2022-11-20 11:14:49,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:49,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950873152] [2022-11-20 11:14:49,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:49,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:14:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-20 11:14:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-20 11:14:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-20 11:14:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-20 11:14:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:14:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 11:14:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 11:14:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 11:14:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 11:14:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:14:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:14:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 11:14:49,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:49,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950873152] [2022-11-20 11:14:49,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950873152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:49,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:49,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 11:14:49,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803843434] [2022-11-20 11:14:49,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:49,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:14:49,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:49,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:14:49,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:14:49,687 INFO L87 Difference]: Start difference. First operand 694 states and 1014 transitions. Second operand has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:55,160 INFO L93 Difference]: Finished difference Result 1460 states and 2183 transitions. [2022-11-20 11:14:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:14:55,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 214 [2022-11-20 11:14:55,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:55,167 INFO L225 Difference]: With dead ends: 1460 [2022-11-20 11:14:55,167 INFO L226 Difference]: Without dead ends: 843 [2022-11-20 11:14:55,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2022-11-20 11:14:55,171 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1977 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 6801 mSolverCounterSat, 831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 7632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 6801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:55,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 2635 Invalid, 7632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [831 Valid, 6801 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 11:14:55,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-11-20 11:14:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 696. [2022-11-20 11:14:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 528 states have (on average 1.4602272727272727) internal successors, (771), 543 states have internal predecessors, (771), 119 states have call successors, (119), 44 states have call predecessors, (119), 48 states have return successors, (130), 117 states have call predecessors, (130), 118 states have call successors, (130) [2022-11-20 11:14:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1020 transitions. [2022-11-20 11:14:55,270 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1020 transitions. Word has length 214 [2022-11-20 11:14:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:55,270 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 1020 transitions. [2022-11-20 11:14:55,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (33), 6 states have call predecessors, (33), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-20 11:14:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1020 transitions. [2022-11-20 11:14:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-20 11:14:55,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:55,274 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:14:55,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:14:55,275 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:55,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:55,275 INFO L85 PathProgramCache]: Analyzing trace with hash -113125140, now seen corresponding path program 1 times [2022-11-20 11:14:55,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:55,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328792842] [2022-11-20 11:14:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:55,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:14:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:14:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:14:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:14:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:14:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:14:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:14:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:14:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:14:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:14:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:14:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:14:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:14:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:14:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:14:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 11:14:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-20 11:14:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 11:14:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 11:14:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-20 11:14:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:14:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-20 11:14:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:14:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 11:14:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:14:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:14:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:14:55,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:14:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328792842] [2022-11-20 11:14:55,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328792842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:14:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101304764] [2022-11-20 11:14:55,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:55,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:14:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:55,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:14:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:14:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:55,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:14:55,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:14:56,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:14:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:14:56,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101304764] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:14:56,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:14:56,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-20 11:14:56,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409882586] [2022-11-20 11:14:56,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:14:56,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 11:14:56,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:14:56,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 11:14:56,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:14:56,206 INFO L87 Difference]: Start difference. First operand 696 states and 1020 transitions. Second operand has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 11:15:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:00,090 INFO L93 Difference]: Finished difference Result 1734 states and 2666 transitions. [2022-11-20 11:15:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:15:00,091 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 215 [2022-11-20 11:15:00,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:00,099 INFO L225 Difference]: With dead ends: 1734 [2022-11-20 11:15:00,099 INFO L226 Difference]: Without dead ends: 1406 [2022-11-20 11:15:00,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:15:00,102 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 2485 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 1046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2542 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:00,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2542 Valid, 2339 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1046 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 11:15:00,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2022-11-20 11:15:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1235. [2022-11-20 11:15:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 988 states have (on average 1.513157894736842) internal successors, (1495), 1003 states have internal predecessors, (1495), 198 states have call successors, (198), 44 states have call predecessors, (198), 48 states have return successors, (219), 196 states have call predecessors, (219), 197 states have call successors, (219) [2022-11-20 11:15:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1912 transitions. [2022-11-20 11:15:00,269 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1912 transitions. Word has length 215 [2022-11-20 11:15:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:00,270 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1912 transitions. [2022-11-20 11:15:00,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 11:15:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1912 transitions. [2022-11-20 11:15:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-20 11:15:00,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:00,277 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:00,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:15:00,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec2a08c-914c-47b5-821a-ec7c8485218b/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 11:15:00,486 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:00,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1486701752, now seen corresponding path program 1 times [2022-11-20 11:15:00,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:00,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121006456] [2022-11-20 11:15:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-20 11:15:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 11:15:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 11:15:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-20 11:15:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 11:15:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-20 11:15:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-20 11:15:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-20 11:15:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-20 11:15:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-20 11:15:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:00,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:00,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121006456] [2022-11-20 11:15:00,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121006456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:00,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:00,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487441338] [2022-11-20 11:15:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:00,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:00,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:00,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:00,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:00,740 INFO L87 Difference]: Start difference. First operand 1235 states and 1912 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, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:03,934 INFO L93 Difference]: Finished difference Result 2991 states and 4750 transitions. [2022-11-20 11:15:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:03,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 212 [2022-11-20 11:15:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:03,946 INFO L225 Difference]: With dead ends: 2991 [2022-11-20 11:15:03,946 INFO L226 Difference]: Without dead ends: 1891 [2022-11-20 11:15:03,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:03,951 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1966 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 2938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:03,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 1416 Invalid, 2938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 11:15:03,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2022-11-20 11:15:04,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1736. [2022-11-20 11:15:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1410 states have (on average 1.525531914893617) internal successors, (2151), 1425 states have internal predecessors, (2151), 277 states have call successors, (277), 44 states have call predecessors, (277), 48 states have return successors, (308), 275 states have call predecessors, (308), 276 states have call successors, (308) [2022-11-20 11:15:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2736 transitions. [2022-11-20 11:15:04,177 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2736 transitions. Word has length 212 [2022-11-20 11:15:04,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:04,177 INFO L495 AbstractCegarLoop]: Abstraction has 1736 states and 2736 transitions. [2022-11-20 11:15:04,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2736 transitions. [2022-11-20 11:15:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-20 11:15:04,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:04,187 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:04,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:15:04,188 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:04,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1601772600, now seen corresponding path program 1 times [2022-11-20 11:15:04,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:04,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574092918] [2022-11-20 11:15:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-20 11:15:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 11:15:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 11:15:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:15:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:15:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 11:15:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:15:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:15:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:15:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:15:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 11:15:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:04,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:04,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574092918] [2022-11-20 11:15:04,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574092918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:04,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:04,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:04,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171172456] [2022-11-20 11:15:04,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:04,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:04,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:04,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:04,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:04,396 INFO L87 Difference]: Start difference. First operand 1736 states and 2736 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:07,665 INFO L93 Difference]: Finished difference Result 4238 states and 6807 transitions. [2022-11-20 11:15:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:07,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 220 [2022-11-20 11:15:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:07,680 INFO L225 Difference]: With dead ends: 4238 [2022-11-20 11:15:07,680 INFO L226 Difference]: Without dead ends: 2700 [2022-11-20 11:15:07,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:07,685 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1976 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 2880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:07,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 1406 Invalid, 2880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 11:15:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2022-11-20 11:15:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2545. [2022-11-20 11:15:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2100 states have (on average 1.5385714285714285) internal successors, (3231), 2115 states have internal predecessors, (3231), 396 states have call successors, (396), 44 states have call predecessors, (396), 48 states have return successors, (427), 394 states have call predecessors, (427), 395 states have call successors, (427) [2022-11-20 11:15:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4054 transitions. [2022-11-20 11:15:08,005 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4054 transitions. Word has length 220 [2022-11-20 11:15:08,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:08,006 INFO L495 AbstractCegarLoop]: Abstraction has 2545 states and 4054 transitions. [2022-11-20 11:15:08,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4054 transitions. [2022-11-20 11:15:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 11:15:08,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:08,021 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:08,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 11:15:08,021 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:08,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1410933425, now seen corresponding path program 1 times [2022-11-20 11:15:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:08,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185902041] [2022-11-20 11:15:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 11:15:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 11:15:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 11:15:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-20 11:15:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-20 11:15:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-20 11:15:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 11:15:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 11:15:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:15:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:15:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 11:15:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:08,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:08,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185902041] [2022-11-20 11:15:08,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185902041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:08,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:08,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054699732] [2022-11-20 11:15:08,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:08,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:08,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:08,235 INFO L87 Difference]: Start difference. First operand 2545 states and 4054 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:11,638 INFO L93 Difference]: Finished difference Result 6137 states and 9964 transitions. [2022-11-20 11:15:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:11,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 221 [2022-11-20 11:15:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:11,659 INFO L225 Difference]: With dead ends: 6137 [2022-11-20 11:15:11,660 INFO L226 Difference]: Without dead ends: 3947 [2022-11-20 11:15:11,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:11,667 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1961 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 2919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 905 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:11,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1375 Invalid, 2919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [905 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 11:15:11,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2022-11-20 11:15:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3792. [2022-11-20 11:15:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3792 states, 3185 states have (on average 1.5494505494505495) internal successors, (4935), 3200 states have internal predecessors, (4935), 558 states have call successors, (558), 44 states have call predecessors, (558), 48 states have return successors, (605), 556 states have call predecessors, (605), 557 states have call successors, (605) [2022-11-20 11:15:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 6098 transitions. [2022-11-20 11:15:12,157 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 6098 transitions. Word has length 221 [2022-11-20 11:15:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:12,159 INFO L495 AbstractCegarLoop]: Abstraction has 3792 states and 6098 transitions. [2022-11-20 11:15:12,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 6098 transitions. [2022-11-20 11:15:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-20 11:15:12,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:12,178 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:12,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:15:12,178 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:12,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1153450946, now seen corresponding path program 1 times [2022-11-20 11:15:12,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:12,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364224484] [2022-11-20 11:15:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 11:15:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 11:15:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 11:15:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-20 11:15:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:15:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-20 11:15:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:15:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 11:15:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:15:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:15:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:12,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:12,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364224484] [2022-11-20 11:15:12,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364224484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:12,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:12,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:12,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836462829] [2022-11-20 11:15:12,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:12,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:12,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:12,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:12,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:12,388 INFO L87 Difference]: Start difference. First operand 3792 states and 6098 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:15,727 INFO L93 Difference]: Finished difference Result 9139 states and 14973 transitions. [2022-11-20 11:15:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:15,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 215 [2022-11-20 11:15:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:15,755 INFO L225 Difference]: With dead ends: 9139 [2022-11-20 11:15:15,755 INFO L226 Difference]: Without dead ends: 5961 [2022-11-20 11:15:15,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:15,764 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1953 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 2938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 901 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:15,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 1376 Invalid, 2938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [901 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 11:15:15,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2022-11-20 11:15:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5806. [2022-11-20 11:15:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 4954 states have (on average 1.5585385547032702) internal successors, (7721), 4969 states have internal predecessors, (7721), 803 states have call successors, (803), 44 states have call predecessors, (803), 48 states have return successors, (876), 801 states have call predecessors, (876), 802 states have call successors, (876) [2022-11-20 11:15:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 9400 transitions. [2022-11-20 11:15:16,440 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 9400 transitions. Word has length 215 [2022-11-20 11:15:16,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:16,441 INFO L495 AbstractCegarLoop]: Abstraction has 5806 states and 9400 transitions. [2022-11-20 11:15:16,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 9400 transitions. [2022-11-20 11:15:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-20 11:15:16,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:16,463 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:16,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:15:16,463 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:16,464 INFO L85 PathProgramCache]: Analyzing trace with hash -885188730, now seen corresponding path program 1 times [2022-11-20 11:15:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:16,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726224121] [2022-11-20 11:15:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 11:15:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 11:15:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 11:15:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:15:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:15:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 11:15:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-20 11:15:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:15:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-20 11:15:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-20 11:15:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-20 11:15:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:16,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:16,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726224121] [2022-11-20 11:15:16,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726224121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:16,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:16,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130471813] [2022-11-20 11:15:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:16,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:16,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:16,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:16,651 INFO L87 Difference]: Start difference. First operand 5806 states and 9400 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:20,366 INFO L93 Difference]: Finished difference Result 14132 states and 23271 transitions. [2022-11-20 11:15:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 223 [2022-11-20 11:15:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:20,407 INFO L225 Difference]: With dead ends: 14132 [2022-11-20 11:15:20,407 INFO L226 Difference]: Without dead ends: 9336 [2022-11-20 11:15:20,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:20,423 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1957 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 2947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 910 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:20,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 1438 Invalid, 2947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [910 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 11:15:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9336 states. [2022-11-20 11:15:21,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9336 to 9181. [2022-11-20 11:15:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9181 states, 7836 states have (on average 1.5562787136294027) internal successors, (12195), 7851 states have internal predecessors, (12195), 1296 states have call successors, (1296), 44 states have call predecessors, (1296), 48 states have return successors, (1413), 1294 states have call predecessors, (1413), 1295 states have call successors, (1413) [2022-11-20 11:15:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9181 states to 9181 states and 14904 transitions. [2022-11-20 11:15:21,498 INFO L78 Accepts]: Start accepts. Automaton has 9181 states and 14904 transitions. Word has length 223 [2022-11-20 11:15:21,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:21,498 INFO L495 AbstractCegarLoop]: Abstraction has 9181 states and 14904 transitions. [2022-11-20 11:15:21,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 9181 states and 14904 transitions. [2022-11-20 11:15:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 11:15:21,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:21,532 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:21,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:15:21,532 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:21,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1824570103, now seen corresponding path program 1 times [2022-11-20 11:15:21,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:21,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264476432] [2022-11-20 11:15:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 11:15:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-20 11:15:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 11:15:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:15:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 11:15:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 11:15:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:15:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 11:15:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-20 11:15:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-20 11:15:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:21,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264476432] [2022-11-20 11:15:21,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264476432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:21,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:21,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473288591] [2022-11-20 11:15:21,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:21,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:21,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:21,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:21,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:21,730 INFO L87 Difference]: Start difference. First operand 9181 states and 14904 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:25,990 INFO L93 Difference]: Finished difference Result 23085 states and 38147 transitions. [2022-11-20 11:15:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:25,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 217 [2022-11-20 11:15:25,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:26,069 INFO L225 Difference]: With dead ends: 23085 [2022-11-20 11:15:26,069 INFO L226 Difference]: Without dead ends: 15410 [2022-11-20 11:15:26,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:26,096 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1969 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 906 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 906 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:26,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1387 Invalid, 2939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [906 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 11:15:26,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15410 states. [2022-11-20 11:15:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15410 to 15255. [2022-11-20 11:15:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15255 states, 13088 states have (on average 1.562270782396088) internal successors, (20447), 13103 states have internal predecessors, (20447), 2118 states have call successors, (2118), 44 states have call predecessors, (2118), 48 states have return successors, (2313), 2116 states have call predecessors, (2313), 2117 states have call successors, (2313) [2022-11-20 11:15:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15255 states to 15255 states and 24878 transitions. [2022-11-20 11:15:27,629 INFO L78 Accepts]: Start accepts. Automaton has 15255 states and 24878 transitions. Word has length 217 [2022-11-20 11:15:27,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:27,630 INFO L495 AbstractCegarLoop]: Abstraction has 15255 states and 24878 transitions. [2022-11-20 11:15:27,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 15255 states and 24878 transitions. [2022-11-20 11:15:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-20 11:15:27,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:27,678 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:27,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:15:27,678 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:27,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1333195157, now seen corresponding path program 1 times [2022-11-20 11:15:27,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:27,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345293558] [2022-11-20 11:15:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 11:15:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:15:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-20 11:15:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 11:15:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-20 11:15:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-20 11:15:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-20 11:15:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-20 11:15:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-20 11:15:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-20 11:15:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:27,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:27,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345293558] [2022-11-20 11:15:27,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345293558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:27,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:27,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:27,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271991856] [2022-11-20 11:15:27,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:27,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:27,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:27,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:27,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:27,881 INFO L87 Difference]: Start difference. First operand 15255 states and 24878 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:33,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:33,498 INFO L93 Difference]: Finished difference Result 36894 states and 60531 transitions. [2022-11-20 11:15:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:33,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2022-11-20 11:15:33,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:33,607 INFO L225 Difference]: With dead ends: 36894 [2022-11-20 11:15:33,607 INFO L226 Difference]: Without dead ends: 24279 [2022-11-20 11:15:33,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:33,642 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 1948 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 897 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:33,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 1394 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [897 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 11:15:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24279 states. [2022-11-20 11:15:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24279 to 24124. [2022-11-20 11:15:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24124 states, 20754 states have (on average 1.535366676303363) internal successors, (31865), 20769 states have internal predecessors, (31865), 3321 states have call successors, (3321), 44 states have call predecessors, (3321), 48 states have return successors, (3660), 3319 states have call predecessors, (3660), 3320 states have call successors, (3660) [2022-11-20 11:15:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24124 states to 24124 states and 38846 transitions. [2022-11-20 11:15:36,118 INFO L78 Accepts]: Start accepts. Automaton has 24124 states and 38846 transitions. Word has length 218 [2022-11-20 11:15:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:36,119 INFO L495 AbstractCegarLoop]: Abstraction has 24124 states and 38846 transitions. [2022-11-20 11:15:36,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24124 states and 38846 transitions. [2022-11-20 11:15:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 11:15:36,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:36,189 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:36,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:15:36,190 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:36,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash -155676781, now seen corresponding path program 1 times [2022-11-20 11:15:36,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:36,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978308555] [2022-11-20 11:15:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 11:15:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:15:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:15:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:15:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-20 11:15:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:15:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-20 11:15:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 11:15:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:15:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 11:15:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-20 11:15:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:36,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:36,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978308555] [2022-11-20 11:15:36,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978308555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:36,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:36,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:36,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754380130] [2022-11-20 11:15:36,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:36,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:36,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:36,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:36,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:36,450 INFO L87 Difference]: Start difference. First operand 24124 states and 38846 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:44,019 INFO L93 Difference]: Finished difference Result 63747 states and 104219 transitions. [2022-11-20 11:15:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:44,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 226 [2022-11-20 11:15:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:44,247 INFO L225 Difference]: With dead ends: 63747 [2022-11-20 11:15:44,247 INFO L226 Difference]: Without dead ends: 43075 [2022-11-20 11:15:44,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:44,310 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1978 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 923 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 2879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 923 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:44,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 1376 Invalid, 2879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [923 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 11:15:44,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43075 states. [2022-11-20 11:15:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43075 to 42920. [2022-11-20 11:15:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42920 states, 37100 states have (on average 1.53544474393531) internal successors, (56965), 37115 states have internal predecessors, (56965), 5771 states have call successors, (5771), 44 states have call predecessors, (5771), 48 states have return successors, (6384), 5769 states have call predecessors, (6384), 5770 states have call successors, (6384) [2022-11-20 11:15:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42920 states to 42920 states and 69120 transitions. [2022-11-20 11:15:49,222 INFO L78 Accepts]: Start accepts. Automaton has 42920 states and 69120 transitions. Word has length 226 [2022-11-20 11:15:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:49,223 INFO L495 AbstractCegarLoop]: Abstraction has 42920 states and 69120 transitions. [2022-11-20 11:15:49,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:15:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 42920 states and 69120 transitions. [2022-11-20 11:15:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-20 11:15:49,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:49,297 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:49,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:15:49,298 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:49,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:49,298 INFO L85 PathProgramCache]: Analyzing trace with hash 129929154, now seen corresponding path program 1 times [2022-11-20 11:15:49,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:15:49,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942842926] [2022-11-20 11:15:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:49,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:15:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:15:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:15:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:15:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:15:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:15:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:15:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:15:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:15:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:15:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:15:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 11:15:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:15:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:15:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:15:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:15:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 11:15:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-20 11:15:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:15:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-20 11:15:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 11:15:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:15:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:15:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:15:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:15:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 11:15:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-20 11:15:49,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:15:49,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942842926] [2022-11-20 11:15:49,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942842926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:49,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:49,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:15:49,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536325336] [2022-11-20 11:15:49,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:49,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:15:49,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:15:49,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:15:49,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:15:49,505 INFO L87 Difference]: Start difference. First operand 42920 states and 69120 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-20 11:15:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:59,099 INFO L93 Difference]: Finished difference Result 116409 states and 190173 transitions. [2022-11-20 11:15:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:15:59,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 220 [2022-11-20 11:15:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:59,641 INFO L225 Difference]: With dead ends: 116409 [2022-11-20 11:15:59,641 INFO L226 Difference]: Without dead ends: 78117 [2022-11-20 11:15:59,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:15:59,733 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 1969 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 2929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:59,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1409 Invalid, 2929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 11:15:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78117 states.