./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 --- 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-8393723 [2022-11-19 07:23:09,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:09,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:09,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:09,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:09,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:09,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:09,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:09,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:09,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:09,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:10,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:10,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:10,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:10,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:10,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:10,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:10,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:10,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:10,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:10,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:10,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:10,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:10,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:10,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:10,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:10,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:10,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:10,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:10,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:10,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:10,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:10,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:10,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:10,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:10,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:10,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:10,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:10,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:10,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:10,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:10,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:23:10,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:10,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:10,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:10,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:10,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:10,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:10,116 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:10,116 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:10,117 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:10,117 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:23:10,118 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:10,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:10,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:23:10,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:23:10,119 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:10,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:23:10,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:23:10,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:23:10,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:10,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:23:10,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:23:10,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:23:10,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:10,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:10,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:10,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:10,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:23:10,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:10,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:10,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:10,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:10,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:10,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:10,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:10,126 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:23:10,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:10,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:10,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:23:10,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:23:10,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:10,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:10,128 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_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 [2022-11-19 07:23:10,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:10,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:10,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:10,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:10,536 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:10,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2022-11-19 07:23:10,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/data/7440a58e1/5f38a0edea7a4455a3ac3f14bd0f274e/FLAG8ca831ac2 [2022-11-19 07:23:11,405 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:11,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2022-11-19 07:23:11,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/data/7440a58e1/5f38a0edea7a4455a3ac3f14bd0f274e/FLAG8ca831ac2 [2022-11-19 07:23:11,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/data/7440a58e1/5f38a0edea7a4455a3ac3f14bd0f274e [2022-11-19 07:23:11,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:11,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:11,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:11,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:11,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:11,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:11" (1/1) ... [2022-11-19 07:23:11,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee9e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:11, skipping insertion in model container [2022-11-19 07:23:11,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:11" (1/1) ... [2022-11-19 07:23:11,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:11,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:12,404 WARN L234 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_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63882,63895] [2022-11-19 07:23:12,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:12,423 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:23:12,565 WARN L234 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_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63882,63895] [2022-11-19 07:23:12,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:12,605 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:23:12,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12 WrapperNode [2022-11-19 07:23:12,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:12,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:12,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:23:12,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:23:12,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,719 INFO L138 Inliner]: procedures = 131, calls = 224, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1086 [2022-11-19 07:23:12,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:12,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:23:12,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:23:12,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:23:12,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:23:12,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:23:12,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:23:12,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:23:12,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (1/1) ... [2022-11-19 07:23:12,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:12,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:23:12,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:23:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-19 07:23:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-19 07:23:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-19 07:23:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-19 07:23:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-19 07:23:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-19 07:23:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-19 07:23:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-19 07:23:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-19 07:23:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-19 07:23:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-19 07:23:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-19 07:23:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-19 07:23:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-19 07:23:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-19 07:23:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-19 07:23:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-19 07:23:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-19 07:23:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-19 07:23:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-19 07:23:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-19 07:23:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-19 07:23:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-19 07:23:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-19 07:23:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-19 07:23:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-19 07:23:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-19 07:23:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-19 07:23:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-19 07:23:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:23:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-19 07:23:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-19 07:23:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-19 07:23:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-19 07:23:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-19 07:23:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-19 07:23:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-19 07:23:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-19 07:23:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-19 07:23:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-19 07:23:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-19 07:23:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-19 07:23:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-19 07:23:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-19 07:23:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-19 07:23:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-19 07:23:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:23:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-19 07:23:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-19 07:23:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-19 07:23:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-19 07:23:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:23:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:23:13,292 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:23:13,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:23:14,589 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:23:15,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:23:15,407 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:23:15,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:15 BoogieIcfgContainer [2022-11-19 07:23:15,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:23:15,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:23:15,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:23:15,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:23:15,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:23:11" (1/3) ... [2022-11-19 07:23:15,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61de18ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:15, skipping insertion in model container [2022-11-19 07:23:15,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:12" (2/3) ... [2022-11-19 07:23:15,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61de18ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:15, skipping insertion in model container [2022-11-19 07:23:15,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:15" (3/3) ... [2022-11-19 07:23:15,424 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2022-11-19 07:23:15,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:23:15,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:23:15,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:23:15,557 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=FINITE_AUTOMATA, 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;@c5fb524, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:23:15,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:23:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 118 states have internal predecessors, (148), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2022-11-19 07:23:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 07:23:15,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:15,593 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:23:15,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:23:15,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:15,604 INFO L85 PathProgramCache]: Analyzing trace with hash 140022297, now seen corresponding path program 1 times [2022-11-19 07:23:15,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:15,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776478759] [2022-11-19 07:23:15,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-19 07:23:16,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:16,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776478759] [2022-11-19 07:23:16,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776478759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:16,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:16,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:23:16,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864140709] [2022-11-19 07:23:16,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:16,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:23:16,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:23:16,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:23:16,203 INFO L87 Difference]: Start difference. First operand has 201 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 118 states have internal predecessors, (148), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:23:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:16,450 INFO L93 Difference]: Finished difference Result 310 states and 415 transitions. [2022-11-19 07:23:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:23:16,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 79 [2022-11-19 07:23:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:16,480 INFO L225 Difference]: With dead ends: 310 [2022-11-19 07:23:16,481 INFO L226 Difference]: Without dead ends: 198 [2022-11-19 07:23:16,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:23:16,499 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:16,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:23:16,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-19 07:23:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-11-19 07:23:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 115 states have internal predecessors, (142), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-19 07:23:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 265 transitions. [2022-11-19 07:23:16,613 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 265 transitions. Word has length 79 [2022-11-19 07:23:16,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:16,616 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 265 transitions. [2022-11-19 07:23:16,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:23:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 265 transitions. [2022-11-19 07:23:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-19 07:23:16,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:16,635 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:23:16,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:23:16,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:23:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:16,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1975301502, now seen corresponding path program 1 times [2022-11-19 07:23:16,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:16,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144340701] [2022-11-19 07:23:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:23:17,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:17,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144340701] [2022-11-19 07:23:17,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144340701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:17,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:17,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:23:17,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804347386] [2022-11-19 07:23:17,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:17,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:23:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:23:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:17,119 INFO L87 Difference]: Start difference. First operand 198 states and 265 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:23:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:17,354 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2022-11-19 07:23:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:17,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 91 [2022-11-19 07:23:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:17,362 INFO L225 Difference]: With dead ends: 306 [2022-11-19 07:23:17,362 INFO L226 Difference]: Without dead ends: 200 [2022-11-19 07:23:17,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:17,371 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 0 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:17,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 449 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:23:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-19 07:23:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2022-11-19 07:23:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 113 states have (on average 1.2743362831858407) internal successors, (144), 117 states have internal predecessors, (144), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-19 07:23:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 267 transitions. [2022-11-19 07:23:17,410 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 267 transitions. Word has length 91 [2022-11-19 07:23:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:17,412 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 267 transitions. [2022-11-19 07:23:17,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:23:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 267 transitions. [2022-11-19 07:23:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-19 07:23:17,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:17,417 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:23:17,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:23:17,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:23:17,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:17,430 INFO L85 PathProgramCache]: Analyzing trace with hash 17955914, now seen corresponding path program 1 times [2022-11-19 07:23:17,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:17,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503530856] [2022-11-19 07:23:17,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:17,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:23:17,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:17,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503530856] [2022-11-19 07:23:17,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503530856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:17,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:17,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:23:17,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570023547] [2022-11-19 07:23:17,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:17,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:23:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:17,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:23:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:17,670 INFO L87 Difference]: Start difference. First operand 200 states and 267 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:23:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:17,865 INFO L93 Difference]: Finished difference Result 435 states and 601 transitions. [2022-11-19 07:23:17,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:23:17,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2022-11-19 07:23:17,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:17,872 INFO L225 Difference]: With dead ends: 435 [2022-11-19 07:23:17,872 INFO L226 Difference]: Without dead ends: 253 [2022-11-19 07:23:17,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:23:17,883 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 59 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:17,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 465 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:23:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-11-19 07:23:17,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2022-11-19 07:23:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 151 states have internal predecessors, (199), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-19 07:23:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 350 transitions. [2022-11-19 07:23:17,935 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 350 transitions. Word has length 96 [2022-11-19 07:23:17,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:17,936 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 350 transitions. [2022-11-19 07:23:17,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:23:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 350 transitions. [2022-11-19 07:23:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-19 07:23:17,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:17,939 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:23:17,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:23:17,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:23:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1017486290, now seen corresponding path program 1 times [2022-11-19 07:23:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:17,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115581317] [2022-11-19 07:23:17,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:23:18,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:18,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115581317] [2022-11-19 07:23:18,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115581317] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:23:18,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267211494] [2022-11-19 07:23:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:23:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:18,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:23:18,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:23:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:18,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:23:18,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:23:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:23:18,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:23:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:23:18,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267211494] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:23:18,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1083048567] [2022-11-19 07:23:19,027 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-19 07:23:19,028 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:23:19,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:23:19,042 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:23:19,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:24:10,588 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 440 for LOIs [2022-11-19 07:24:11,096 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 07:24:11,638 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:24:25,335 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 440 DAG size of output: 239 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:24:30,928 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 463 DAG size of output: 259 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:24:50,289 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 476 DAG size of output: 280 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:24:58,555 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 486 DAG size of output: 298 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:25:05,721 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 498 DAG size of output: 319 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:25:15,948 WARN L233 SmtUtils]: Spent 8.60s on a formula simplification. DAG size of input: 508 DAG size of output: 337 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:25:40,012 WARN L233 SmtUtils]: Spent 23.65s on a formula simplification. DAG size of input: 592 DAG size of output: 463 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:26:01,497 WARN L233 SmtUtils]: Spent 21.07s on a formula simplification. DAG size of input: 594 DAG size of output: 463 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:26:16,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1083048567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:16,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:26:16,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-19 07:26:16,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672918314] [2022-11-19 07:26:16,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:16,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-19 07:26:16,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:16,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-19 07:26:16,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2022-11-19 07:26:16,567 INFO L87 Difference]: Start difference. First operand 248 states and 350 transitions. Second operand has 21 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-19 07:26:28,461 WARN L233 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 519 DAG size of output: 426 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:26:38,729 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 519 DAG size of output: 434 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:26:49,975 WARN L233 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 586 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:27:01,348 WARN L233 SmtUtils]: Spent 10.99s on a formula simplification. DAG size of input: 584 DAG size of output: 435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:27:12,017 WARN L233 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 584 DAG size of output: 443 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:27:31,903 WARN L233 SmtUtils]: Spent 19.36s on a formula simplification. DAG size of input: 583 DAG size of output: 462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:27:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:27:38,459 INFO L93 Difference]: Finished difference Result 547 states and 807 transitions. [2022-11-19 07:27:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-19 07:27:38,460 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 97 [2022-11-19 07:27:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:27:38,462 INFO L225 Difference]: With dead ends: 547 [2022-11-19 07:27:38,462 INFO L226 Difference]: Without dead ends: 317 [2022-11-19 07:27:38,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 197.8s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2022-11-19 07:27:38,464 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 135 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 3387 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:27:38,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 3387 Invalid, 1873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 1850 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-19 07:27:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2022-11-19 07:27:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 276. [2022-11-19 07:27:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 174 states have (on average 1.367816091954023) internal successors, (238), 178 states have internal predecessors, (238), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-19 07:27:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 389 transitions. [2022-11-19 07:27:38,605 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 389 transitions. Word has length 97 [2022-11-19 07:27:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:27:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 389 transitions. [2022-11-19 07:27:38,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-19 07:27:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 389 transitions. [2022-11-19 07:27:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-19 07:27:38,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:27:38,609 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:27:38,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:27:38,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:27:38,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:27:38,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:27:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash -45769855, now seen corresponding path program 1 times [2022-11-19 07:27:38,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:27:38,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655850272] [2022-11-19 07:27:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:27:38,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:27:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:27:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:27:39,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:27:39,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655850272] [2022-11-19 07:27:39,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655850272] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:27:39,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161438924] [2022-11-19 07:27:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:27:39,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:27:39,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:27:39,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:27:39,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:27:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:27:39,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:27:39,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:27:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:27:39,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:27:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:27:39,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161438924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:27:39,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [696863379] [2022-11-19 07:27:39,494 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-19 07:27:39,494 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:27:39,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:27:39,495 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:27:39,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:28:37,309 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 440 for LOIs [2022-11-19 07:28:37,658 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2022-11-19 07:28:37,996 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:28:55,757 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 463 DAG size of output: 259 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:29:20,308 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 486 DAG size of output: 298 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:29:25,831 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 498 DAG size of output: 319 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:29:33,822 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 508 DAG size of output: 337 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:29:54,582 WARN L233 SmtUtils]: Spent 20.43s on a formula simplification. DAG size of input: 589 DAG size of output: 455 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:07,685 WARN L233 SmtUtils]: Spent 12.75s on a formula simplification. DAG size of input: 591 DAG size of output: 331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:13,490 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 564 DAG size of output: 328 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:19,281 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 560 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:24,995 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 568 DAG size of output: 324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:30,574 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 564 DAG size of output: 320 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:37,602 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 568 DAG size of output: 356 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:44,692 WARN L233 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 570 DAG size of output: 358 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:51,271 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 580 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:30:51,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [696863379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:51,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:30:51,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-19 07:30:51,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950989429] [2022-11-19 07:30:51,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:51,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-19 07:30:51,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:51,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-19 07:30:51,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2022-11-19 07:30:51,287 INFO L87 Difference]: Start difference. First operand 276 states and 389 transitions. Second operand has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-19 07:31:11,127 WARN L233 SmtUtils]: Spent 18.20s on a formula simplification. DAG size of input: 511 DAG size of output: 445 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:31:17,504 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 443 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:31:54,810 WARN L233 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 574 DAG size of output: 425 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:32:00,925 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 351 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:32:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:07,750 INFO L93 Difference]: Finished difference Result 603 states and 888 transitions. [2022-11-19 07:32:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-19 07:32:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 103 [2022-11-19 07:32:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:07,753 INFO L225 Difference]: With dead ends: 603 [2022-11-19 07:32:07,754 INFO L226 Difference]: Without dead ends: 373 [2022-11-19 07:32:07,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 199.5s TimeCoverageRelationStatistics Valid=208, Invalid=1352, Unknown=0, NotChecked=0, Total=1560 [2022-11-19 07:32:07,756 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 185 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:07,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 3599 Invalid, 2218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-19 07:32:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-11-19 07:32:07,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 290. [2022-11-19 07:32:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.3709677419354838) internal successors, (255), 190 states have internal predecessors, (255), 77 states have call successors, (77), 26 states have call predecessors, (77), 26 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2022-11-19 07:32:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 408 transitions. [2022-11-19 07:32:07,886 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 408 transitions. Word has length 103 [2022-11-19 07:32:07,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:07,886 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 408 transitions. [2022-11-19 07:32:07,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-19 07:32:07,887 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 408 transitions. [2022-11-19 07:32:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-19 07:32:07,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:07,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:32:07,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:32:08,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:32:08,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:32:08,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:08,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1370544522, now seen corresponding path program 1 times [2022-11-19 07:32:08,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:08,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73493102] [2022-11-19 07:32:08,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:08,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:32:08,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:08,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73493102] [2022-11-19 07:32:08,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73493102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:32:08,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127337111] [2022-11-19 07:32:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:08,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:32:08,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:32:08,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:32:08,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:32:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:08,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:32:08,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:32:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:32:08,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:32:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:32:08,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127337111] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:32:08,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [191313092] [2022-11-19 07:32:08,832 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2022-11-19 07:32:08,832 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:32:08,833 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:32:08,833 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:32:08,833 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:33:15,256 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-19 07:33:15,591 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 240 for LOIs [2022-11-19 07:33:15,666 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 255 for LOIs [2022-11-19 07:33:15,756 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 449 for LOIs [2022-11-19 07:33:16,150 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 07:33:16,491 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:33:34,526 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 467 DAG size of output: 264 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:33:57,269 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 486 DAG size of output: 298 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:34:02,815 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 498 DAG size of output: 319 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:34:10,814 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 508 DAG size of output: 337 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:34:27,057 WARN L233 SmtUtils]: Spent 15.91s on a formula simplification. DAG size of input: 619 DAG size of output: 476 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:34:39,020 WARN L233 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 568 DAG size of output: 380 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:34:46,528 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 570 DAG size of output: 382 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:35:05,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [191313092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:05,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:35:05,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 35 [2022-11-19 07:35:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976788330] [2022-11-19 07:35:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:05,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-19 07:35:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-19 07:35:05,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1080, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 07:35:05,067 INFO L87 Difference]: Start difference. First operand 290 states and 408 transitions. Second operand has 30 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2022-11-19 07:35:15,134 WARN L233 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 547 DAG size of output: 361 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:35:35,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:35,437 INFO L93 Difference]: Finished difference Result 612 states and 897 transitions. [2022-11-19 07:35:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-19 07:35:35,438 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 106 [2022-11-19 07:35:35,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:35,441 INFO L225 Difference]: With dead ends: 612 [2022-11-19 07:35:35,441 INFO L226 Difference]: Without dead ends: 382 [2022-11-19 07:35:35,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 285 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 121.3s TimeCoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 07:35:35,443 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 68 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 3688 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 3703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:35,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4465 Invalid, 3703 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15 Valid, 3688 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-19 07:35:35,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-11-19 07:35:35,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 326. [2022-11-19 07:35:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 216 states have (on average 1.375) internal successors, (297), 220 states have internal predecessors, (297), 80 states have call successors, (80), 29 states have call predecessors, (80), 29 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2022-11-19 07:35:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 456 transitions. [2022-11-19 07:35:35,656 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 456 transitions. Word has length 106 [2022-11-19 07:35:35,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:35,656 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 456 transitions. [2022-11-19 07:35:35,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 18 states have internal predecessors, (51), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2022-11-19 07:35:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 456 transitions. [2022-11-19 07:35:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 07:35:35,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:35,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:35,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:35:35,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:35,868 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:35,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1214855107, now seen corresponding path program 1 times [2022-11-19 07:35:35,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:35,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290551538] [2022-11-19 07:35:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:35:36,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:36,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290551538] [2022-11-19 07:35:36,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290551538] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:36,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374032862] [2022-11-19 07:35:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:36,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:36,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:36,031 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:35:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1a4f46-60c7-4ae4-a59b-63ab8fbfbe4d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:35:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:36,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:35:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:35:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:35:36,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:35:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 07:35:36,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374032862] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:35:36,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [678047066] [2022-11-19 07:35:36,540 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-19 07:35:36,540 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:35:36,541 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:35:36,544 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:35:36,544 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:36:39,523 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-11-19 07:36:39,845 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 255 for LOIs [2022-11-19 07:36:41,660 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 07:36:41,993 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 257 for LOIs [2022-11-19 07:36:42,733 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 237 for LOIs [2022-11-19 07:36:42,779 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 237 for LOIs [2022-11-19 07:36:42,823 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 227 for LOIs [2022-11-19 07:36:42,863 INFO L180 IcfgInterpreter]: Interpretation finished