./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/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_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/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_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/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 0a22b5b7c3f7f6e8ff7182918ba517a92e8c6204e4a486ab05fe09fb2404c376 --- 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 06:36:41,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:36:41,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:36:41,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:36:41,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:36:41,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:36:41,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:36:41,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:36:41,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:36:41,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:36:41,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:36:41,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:36:41,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:36:41,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:36:41,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:36:41,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:36:41,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:36:41,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:36:41,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:36:41,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:36:41,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:36:41,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:36:41,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:36:41,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:36:41,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:36:41,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:36:41,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:36:41,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:36:41,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:36:41,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:36:41,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:36:41,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:36:41,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:36:41,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:36:41,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:36:41,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:36:41,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:36:41,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:36:41,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:36:41,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:36:41,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:36:41,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:36:41,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:36:41,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:36:41,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:36:41,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:36:41,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:36:41,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:36:41,702 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:36:41,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:36:41,702 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:36:41,702 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:36:41,704 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:36:41,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:36:41,704 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:36:41,704 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:36:41,704 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:36:41,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:36:41,705 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:36:41,705 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:36:41,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:36:41,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:36:41,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:36:41,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:36:41,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:36:41,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:36:41,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:36:41,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:36:41,709 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:36:41,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:36:41,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:36:41,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:36:41,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:36:41,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:36:41,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:41,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:36:41,711 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:36:41,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:36:41,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:36:41,712 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:36:41,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:36:41,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:36:41,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:36:41,713 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_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a22b5b7c3f7f6e8ff7182918ba517a92e8c6204e4a486ab05fe09fb2404c376 [2022-11-19 06:36:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:36:41,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:36:42,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:36:42,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:36:42,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:36:42,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2022-11-19 06:36:42,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/data/0e7e0e523/927a5e2465f74d508a61d5777b00ab98/FLAGca5503d65 [2022-11-19 06:36:42,802 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:36:42,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2022-11-19 06:36:42,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/data/0e7e0e523/927a5e2465f74d508a61d5777b00ab98/FLAGca5503d65 [2022-11-19 06:36:43,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/data/0e7e0e523/927a5e2465f74d508a61d5777b00ab98 [2022-11-19 06:36:43,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:36:43,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:36:43,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:43,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:36:43,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:36:43,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666c727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43, skipping insertion in model container [2022-11-19 06:36:43,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:36:43,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:36:43,727 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_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2022-11-19 06:36:43,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:43,744 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:36:43,865 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_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2022-11-19 06:36:43,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:43,896 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:36:43,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43 WrapperNode [2022-11-19 06:36:43,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:43,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:43,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:36:43,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:36:43,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,971 INFO L138 Inliner]: procedures = 121, calls = 176, calls flagged for inlining = 48, calls inlined = 43, statements flattened = 792 [2022-11-19 06:36:43,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:43,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:36:43,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:36:43,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:36:43,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:43,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:36:44,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:36:44,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:36:44,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:36:44,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (1/1) ... [2022-11-19 06:36:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:44,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:36:44,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:36:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-19 06:36:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-19 06:36:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-19 06:36:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-19 06:36:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-19 06:36:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-19 06:36:44,168 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-19 06:36:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-19 06:36:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-19 06:36:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-19 06:36:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-19 06:36:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-19 06:36:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-19 06:36:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:36:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-19 06:36:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-19 06:36:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-19 06:36:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-19 06:36:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-19 06:36:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-19 06:36:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-19 06:36:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-19 06:36:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-19 06:36:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-19 06:36:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-19 06:36:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-19 06:36:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:36:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-19 06:36:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-19 06:36:44,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:36:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:36:44,411 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:36:44,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:36:45,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:36:45,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:36:45,534 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:36:45,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:45 BoogieIcfgContainer [2022-11-19 06:36:45,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:36:45,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:36:45,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:36:45,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:36:45,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:36:43" (1/3) ... [2022-11-19 06:36:45,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d61d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:45, skipping insertion in model container [2022-11-19 06:36:45,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:43" (2/3) ... [2022-11-19 06:36:45,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d61d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:45, skipping insertion in model container [2022-11-19 06:36:45,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:45" (3/3) ... [2022-11-19 06:36:45,549 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2022-11-19 06:36:45,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:36:45,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:36:45,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:36:45,661 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;@562f22d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:36:45,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:36:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-19 06:36:45,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:36:45,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:45,685 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:36:45,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:45,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:45,693 INFO L85 PathProgramCache]: Analyzing trace with hash -993266834, now seen corresponding path program 1 times [2022-11-19 06:36:45,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:45,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532608856] [2022-11-19 06:36:45,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:46,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:46,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532608856] [2022-11-19 06:36:46,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532608856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:46,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:46,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:36:46,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987267387] [2022-11-19 06:36:46,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:46,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:36:46,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:46,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:36:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:36:46,114 INFO L87 Difference]: Start difference. First operand has 126 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:46,210 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2022-11-19 06:36:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:36:46,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 58 [2022-11-19 06:36:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:46,223 INFO L225 Difference]: With dead ends: 169 [2022-11-19 06:36:46,223 INFO L226 Difference]: Without dead ends: 123 [2022-11-19 06:36:46,226 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 06:36:46,230 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:46,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:36:46,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-19 06:36:46,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2022-11-19 06:36:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.337837837837838) internal successors, (99), 75 states have internal predecessors, (99), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-19 06:36:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 168 transitions. [2022-11-19 06:36:46,290 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 168 transitions. Word has length 58 [2022-11-19 06:36:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:46,292 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 168 transitions. [2022-11-19 06:36:46,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2022-11-19 06:36:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 06:36:46,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:46,296 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:36:46,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:36:46,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:46,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:46,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2094361572, now seen corresponding path program 1 times [2022-11-19 06:36:46,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:46,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409793456] [2022-11-19 06:36:46,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:46,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:46,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:46,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409793456] [2022-11-19 06:36:46,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409793456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:46,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:46,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:46,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266701282] [2022-11-19 06:36:46,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:46,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:46,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:46,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:46,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:46,551 INFO L87 Difference]: Start difference. First operand 123 states and 168 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:46,645 INFO L93 Difference]: Finished difference Result 165 states and 216 transitions. [2022-11-19 06:36:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:46,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 59 [2022-11-19 06:36:46,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:46,648 INFO L225 Difference]: With dead ends: 165 [2022-11-19 06:36:46,648 INFO L226 Difference]: Without dead ends: 125 [2022-11-19 06:36:46,649 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 06:36:46,650 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:46,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:36:46,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-19 06:36:46,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-11-19 06:36:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 77 states have internal predecessors, (101), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-19 06:36:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 170 transitions. [2022-11-19 06:36:46,667 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 170 transitions. Word has length 59 [2022-11-19 06:36:46,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:46,667 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 170 transitions. [2022-11-19 06:36:46,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 170 transitions. [2022-11-19 06:36:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 06:36:46,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:46,671 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] [2022-11-19 06:36:46,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:36:46,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:46,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:46,672 INFO L85 PathProgramCache]: Analyzing trace with hash -423400472, now seen corresponding path program 1 times [2022-11-19 06:36:46,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:46,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624003415] [2022-11-19 06:36:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:46,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:46,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:46,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624003415] [2022-11-19 06:36:46,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624003415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:46,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:46,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:46,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404843105] [2022-11-19 06:36:46,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:46,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:46,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:46,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:46,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:46,830 INFO L87 Difference]: Start difference. First operand 125 states and 170 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:46,917 INFO L93 Difference]: Finished difference Result 280 states and 399 transitions. [2022-11-19 06:36:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2022-11-19 06:36:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:46,919 INFO L225 Difference]: With dead ends: 280 [2022-11-19 06:36:46,919 INFO L226 Difference]: Without dead ends: 173 [2022-11-19 06:36:46,921 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 06:36:46,922 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 57 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:46,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 303 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:36:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-19 06:36:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 168. [2022-11-19 06:36:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.4259259259259258) internal successors, (154), 109 states have internal predecessors, (154), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-19 06:36:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 245 transitions. [2022-11-19 06:36:46,958 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 245 transitions. Word has length 64 [2022-11-19 06:36:46,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:46,961 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 245 transitions. [2022-11-19 06:36:46,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:36:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 245 transitions. [2022-11-19 06:36:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 06:36:46,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:46,970 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] [2022-11-19 06:36:46,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:36:46,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:46,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:46,971 INFO L85 PathProgramCache]: Analyzing trace with hash -386440073, now seen corresponding path program 1 times [2022-11-19 06:36:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:46,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977544044] [2022-11-19 06:36:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:46,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:47,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:47,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977544044] [2022-11-19 06:36:47,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977544044] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:47,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560015740] [2022-11-19 06:36:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:47,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:47,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:36:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:47,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:36:47,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:47,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:36:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:36:47,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560015740] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:36:47,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1535154968] [2022-11-19 06:36:47,666 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-19 06:36:47,666 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:36:47,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:36:47,677 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:36:47,678 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:37:22,829 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-19 06:37:23,151 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 06:37:23,455 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 460 for LOIs [2022-11-19 06:37:47,888 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 458 for LOIs [2022-11-19 06:37:53,293 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 237 for LOIs [2022-11-19 06:37:53,328 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2022-11-19 06:37:53,447 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 450 for LOIs [2022-11-19 06:37:53,729 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:38:11,092 WARN L233 SmtUtils]: Spent 5.15s 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 06:38:38,788 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 504 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:38:52,681 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 565 DAG size of output: 349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:38:59,189 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 567 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:39:04,510 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 569 DAG size of output: 330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:39:15,124 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 571 DAG size of output: 332 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:39:21,611 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 566 DAG size of output: 350 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:39:40,576 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 502 DAG size of output: 345 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:40:00,821 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 511 DAG size of output: 291 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:40:21,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1535154968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:21,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:40:21,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [4, 4, 4] total 45 [2022-11-19 06:40:21,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121425465] [2022-11-19 06:40:21,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:21,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-19 06:40:21,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:21,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-19 06:40:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1850, Unknown=0, NotChecked=0, Total=1980 [2022-11-19 06:40:21,594 INFO L87 Difference]: Start difference. First operand 168 states and 245 transitions. Second operand has 40 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 25 states have internal predecessors, (32), 13 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-11-19 06:40:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:49,692 INFO L93 Difference]: Finished difference Result 437 states and 681 transitions. [2022-11-19 06:40:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-19 06:40:49,693 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 25 states have internal predecessors, (32), 13 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 65 [2022-11-19 06:40:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:49,697 INFO L225 Difference]: With dead ends: 437 [2022-11-19 06:40:49,697 INFO L226 Difference]: Without dead ends: 287 [2022-11-19 06:40:49,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 160.5s TimeCoverageRelationStatistics Valid=169, Invalid=2183, Unknown=0, NotChecked=0, Total=2352 [2022-11-19 06:40:49,700 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 193 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 4009 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 4026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:49,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 3524 Invalid, 4026 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [17 Valid, 4009 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-11-19 06:40:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-19 06:40:49,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 238. [2022-11-19 06:40:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 167 states have (on average 1.4790419161676647) internal successors, (247), 169 states have internal predecessors, (247), 52 states have call successors, (52), 19 states have call predecessors, (52), 18 states have return successors, (51), 49 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-19 06:40:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 350 transitions. [2022-11-19 06:40:49,863 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 350 transitions. Word has length 65 [2022-11-19 06:40:49,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:49,864 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 350 transitions. [2022-11-19 06:40:49,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 25 states have internal predecessors, (32), 13 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-11-19 06:40:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 350 transitions. [2022-11-19 06:40:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 06:40:49,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:49,868 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-19 06:40:49,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:40:50,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:50,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:50,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash -750614438, now seen corresponding path program 1 times [2022-11-19 06:40:50,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:50,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161346312] [2022-11-19 06:40:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:40:50,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:50,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161346312] [2022-11-19 06:40:50,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161346312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:50,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:50,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:40:50,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567732687] [2022-11-19 06:40:50,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:50,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:40:50,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:40:50,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:40:50,227 INFO L87 Difference]: Start difference. First operand 238 states and 350 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:40:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:50,498 INFO L93 Difference]: Finished difference Result 590 states and 906 transitions. [2022-11-19 06:40:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:40:50,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2022-11-19 06:40:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:50,503 INFO L225 Difference]: With dead ends: 590 [2022-11-19 06:40:50,503 INFO L226 Difference]: Without dead ends: 378 [2022-11-19 06:40:50,504 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 06:40:50,505 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:50,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 320 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:40:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-19 06:40:50,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 371. [2022-11-19 06:40:50,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 275 states have (on average 1.5418181818181818) internal successors, (424), 277 states have internal predecessors, (424), 77 states have call successors, (77), 19 states have call predecessors, (77), 18 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2022-11-19 06:40:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 577 transitions. [2022-11-19 06:40:50,695 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 577 transitions. Word has length 70 [2022-11-19 06:40:50,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:50,696 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 577 transitions. [2022-11-19 06:40:50,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:40:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 577 transitions. [2022-11-19 06:40:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 06:40:50,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:50,699 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-19 06:40:50,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:40:50,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:50,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1302949306, now seen corresponding path program 1 times [2022-11-19 06:40:50,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:50,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271327416] [2022-11-19 06:40:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:40:50,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:50,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271327416] [2022-11-19 06:40:50,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271327416] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:40:50,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123762249] [2022-11-19 06:40:50,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:50,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:50,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:50,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:40:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:51,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:40:51,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:40:51,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:40:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 06:40:51,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123762249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:40:51,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [992108729] [2022-11-19 06:40:51,235 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2022-11-19 06:40:51,236 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:40:51,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:40:51,236 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:40:51,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:41:26,241 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-11-19 06:41:26,524 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 442 for LOIs [2022-11-19 06:41:26,807 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:42:11,001 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 504 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:17,318 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 514 DAG size of output: 292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:30,756 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 583 DAG size of output: 363 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:53,469 WARN L233 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 584 DAG size of output: 345 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:53,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [992108729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:53,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:42:53,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-19 06:42:53,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002781388] [2022-11-19 06:42:53,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:53,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-19 06:42:53,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:53,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-19 06:42:53,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2022-11-19 06:42:53,480 INFO L87 Difference]: Start difference. First operand 371 states and 577 transitions. Second operand has 25 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-19 06:43:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:43:19,991 INFO L93 Difference]: Finished difference Result 759 states and 1225 transitions. [2022-11-19 06:43:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 06:43:19,992 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 71 [2022-11-19 06:43:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:43:19,999 INFO L225 Difference]: With dead ends: 759 [2022-11-19 06:43:19,999 INFO L226 Difference]: Without dead ends: 519 [2022-11-19 06:43:20,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 105.2s TimeCoverageRelationStatistics Valid=169, Invalid=1091, Unknown=0, NotChecked=0, Total=1260 [2022-11-19 06:43:20,001 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 163 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:43:20,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 2058 Invalid, 1871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-19 06:43:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-11-19 06:43:20,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 448. [2022-11-19 06:43:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.5660919540229885) internal successors, (545), 352 states have internal predecessors, (545), 80 states have call successors, (80), 20 states have call predecessors, (80), 19 states have return successors, (79), 75 states have call predecessors, (79), 79 states have call successors, (79) [2022-11-19 06:43:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 704 transitions. [2022-11-19 06:43:20,248 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 704 transitions. Word has length 71 [2022-11-19 06:43:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:43:20,249 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 704 transitions. [2022-11-19 06:43:20,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-19 06:43:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 704 transitions. [2022-11-19 06:43:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 06:43:20,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:43:20,252 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] [2022-11-19 06:43:20,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 06:43:20,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:43:20,459 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:43:20,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:43:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash 401578223, now seen corresponding path program 1 times [2022-11-19 06:43:20,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:43:20,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349101456] [2022-11-19 06:43:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:43:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:43:20,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:43:20,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349101456] [2022-11-19 06:43:20,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349101456] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:43:20,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832390787] [2022-11-19 06:43:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:43:20,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:43:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:43:20,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:43:20,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:43:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:43:20,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:43:20,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:43:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:43:20,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:43:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:43:21,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832390787] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:43:21,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [970823731] [2022-11-19 06:43:21,092 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-19 06:43:21,093 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:43:21,094 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:43:21,095 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:43:21,095 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:43:55,274 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-19 06:43:55,559 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 234 for LOIs [2022-11-19 06:43:55,630 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 249 for LOIs [2022-11-19 06:43:55,710 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 06:43:55,997 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 243 for LOIs [2022-11-19 06:43:56,064 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:44:13,411 WARN L233 SmtUtils]: Spent 5.14s 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 06:44:41,426 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 504 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:45:00,933 WARN L233 SmtUtils]: Spent 12.92s on a formula simplification. DAG size of input: 623 DAG size of output: 421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:45:20,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [970823731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:20,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:45:20,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 35 [2022-11-19 06:45:20,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434603701] [2022-11-19 06:45:20,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:20,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-19 06:45:20,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:20,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-19 06:45:20,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1080, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 06:45:20,848 INFO L87 Difference]: Start difference. First operand 448 states and 704 transitions. Second operand has 30 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2022-11-19 06:45:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:38,567 INFO L93 Difference]: Finished difference Result 847 states and 1368 transitions. [2022-11-19 06:45:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-19 06:45:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 74 [2022-11-19 06:45:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:38,575 INFO L225 Difference]: With dead ends: 847 [2022-11-19 06:45:38,575 INFO L226 Difference]: Without dead ends: 607 [2022-11-19 06:45:38,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 91.1s TimeCoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 06:45:38,577 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 144 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 2796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:38,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 2686 Invalid, 2796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2781 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-19 06:45:38,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-11-19 06:45:39,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 533. [2022-11-19 06:45:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 425 states have (on average 1.576470588235294) internal successors, (670), 431 states have internal predecessors, (670), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2022-11-19 06:45:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 839 transitions. [2022-11-19 06:45:39,162 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 839 transitions. Word has length 74 [2022-11-19 06:45:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:39,162 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 839 transitions. [2022-11-19 06:45:39,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2022-11-19 06:45:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 839 transitions. [2022-11-19 06:45:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 06:45:39,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:39,166 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] [2022-11-19 06:45:39,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:45:39,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-19 06:45:39,372 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:39,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash -745610192, now seen corresponding path program 1 times [2022-11-19 06:45:39,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:39,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513490929] [2022-11-19 06:45:39,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:45:39,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:39,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513490929] [2022-11-19 06:45:39,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513490929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:45:39,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126924205] [2022-11-19 06:45:39,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:39,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:45:39,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae743fb-9e25-4acd-b9b2-ccbeb50ae737/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:45:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:39,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:45:39,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:45:39,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:45:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:45:39,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126924205] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:45:39,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1451837478] [2022-11-19 06:45:39,873 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 06:45:39,873 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:45:39,874 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:45:39,874 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:45:39,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:46:33,029 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-11-19 06:46:33,316 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-19 06:46:33,658 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 457 for LOIs [2022-11-19 06:46:59,373 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 455 for LOIs [2022-11-19 06:47:08,650 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 240 for LOIs [2022-11-19 06:47:08,680 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 239 for LOIs [2022-11-19 06:47:08,715 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 236 for LOIs [2022-11-19 06:47:08,828 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 444 for LOIs [2022-11-19 06:47:09,671 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:47:51,854 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 504 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:17,325 WARN L233 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 566 DAG size of output: 381 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:24,815 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 564 DAG size of output: 379 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:32,772 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 566 DAG size of output: 394 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:40,728 WARN L233 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 564 DAG size of output: 392 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:57,296 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 566 DAG size of output: 354 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:03,707 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 564 DAG size of output: 352 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:11,309 WARN L233 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 566 DAG size of output: 386 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:18,889 WARN L233 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 564 DAG size of output: 384 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:26,545 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 568 DAG size of output: 388 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:31,964 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 563 DAG size of output: 325 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:47,176 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 499 DAG size of output: 297 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:59,306 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 495 DAG size of output: 283 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:50:05,489 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 508 DAG size of output: 314 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)