./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:57:01,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:57:01,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:57:01,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:57:01,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:57:01,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:57:01,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:57:01,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:57:01,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:57:01,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:57:01,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:57:01,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:57:01,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:57:01,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:57:01,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:57:01,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:57:01,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:57:01,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:57:01,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:57:01,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:57:01,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:57:01,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:57:01,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:57:01,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:57:01,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:57:01,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:57:01,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:57:01,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:57:01,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:57:01,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:57:01,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:57:01,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:57:01,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:57:01,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:57:01,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:57:01,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:57:01,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:57:01,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:57:01,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:57:01,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:57:01,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:57:01,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:57:01,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:57:01,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:57:01,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:57:01,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:57:01,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:57:01,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:57:01,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:57:01,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:57:01,985 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:57:01,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:57:01,985 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:57:01,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:57:01,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:57:01,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:57:01,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:57:01,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:57:01,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:57:01,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:57:01,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:57:01,988 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:57:01,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:57:01,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:57:01,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:57:01,989 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 [2021-12-06 18:57:02,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:57:02,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:57:02,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:57:02,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:57:02,211 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:57:02,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:57:02,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/6a88b60f8/820e3d4b5137444ab9c450d07b7d0d54/FLAG50488a769 [2021-12-06 18:57:02,716 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:57:02,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:57:02,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/6a88b60f8/820e3d4b5137444ab9c450d07b7d0d54/FLAG50488a769 [2021-12-06 18:57:03,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/6a88b60f8/820e3d4b5137444ab9c450d07b7d0d54 [2021-12-06 18:57:03,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:57:03,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:57:03,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:57:03,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:57:03,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:57:03,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c805df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03, skipping insertion in model container [2021-12-06 18:57:03,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:57:03,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:57:03,532 WARN L230 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-12-06 18:57:03,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:57:03,549 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:57:03,619 WARN L230 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-12-06 18:57:03,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:57:03,634 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:57:03,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03 WrapperNode [2021-12-06 18:57:03,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:57:03,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:57:03,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:57:03,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:57:03,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,689 INFO L137 Inliner]: procedures = 31, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 724 [2021-12-06 18:57:03,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:57:03,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:57:03,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:57:03,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:57:03,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:57:03,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:57:03,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:57:03,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:57:03,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (1/1) ... [2021-12-06 18:57:03,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:57:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:57:03,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:57:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:57:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:57:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:57:03,929 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:57:03,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:57:03,950 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 18:57:06,572 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-12-06 18:57:06,572 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-12-06 18:57:06,572 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:57:06,578 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:57:06,578 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:57:06,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:57:06 BoogieIcfgContainer [2021-12-06 18:57:06,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:57:06,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:57:06,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:57:06,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:57:06,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:57:03" (1/3) ... [2021-12-06 18:57:06,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13915ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:57:06, skipping insertion in model container [2021-12-06 18:57:06,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:57:03" (2/3) ... [2021-12-06 18:57:06,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13915ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:57:06, skipping insertion in model container [2021-12-06 18:57:06,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:57:06" (3/3) ... [2021-12-06 18:57:06,585 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:57:06,589 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:57:06,589 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:57:06,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:57:06,629 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:57:06,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:57:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 18:57:06,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:06,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:06,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:06,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703967, now seen corresponding path program 1 times [2021-12-06 18:57:06,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:06,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123557238] [2021-12-06 18:57:06,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:06,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:57:07,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:07,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123557238] [2021-12-06 18:57:07,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123557238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:07,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:07,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:07,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5086462] [2021-12-06 18:57:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:07,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:07,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:07,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:07,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:07,121 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:09,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:09,376 INFO L93 Difference]: Finished difference Result 259 states and 432 transitions. [2021-12-06 18:57:09,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:09,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-06 18:57:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:09,388 INFO L225 Difference]: With dead ends: 259 [2021-12-06 18:57:09,389 INFO L226 Difference]: Without dead ends: 118 [2021-12-06 18:57:09,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:09,394 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 7 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:09,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 533 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-12-06 18:57:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-12-06 18:57:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 174 transitions. [2021-12-06 18:57:09,432 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 174 transitions. Word has length 24 [2021-12-06 18:57:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:09,433 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 174 transitions. [2021-12-06 18:57:09,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2021-12-06 18:57:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 18:57:09,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:09,435 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 18:57:09,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:57:09,436 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:09,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:09,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1411658380, now seen corresponding path program 1 times [2021-12-06 18:57:09,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:09,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202805421] [2021-12-06 18:57:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:09,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 18:57:09,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:09,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202805421] [2021-12-06 18:57:09,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202805421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:09,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:09,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:57:09,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214432141] [2021-12-06 18:57:09,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:09,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:57:09,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:57:09,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:57:09,653 INFO L87 Difference]: Start difference. First operand 117 states and 174 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:09,688 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2021-12-06 18:57:09,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:57:09,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-12-06 18:57:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:09,691 INFO L225 Difference]: With dead ends: 327 [2021-12-06 18:57:09,692 INFO L226 Difference]: Without dead ends: 220 [2021-12-06 18:57:09,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:57:09,694 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 125 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:09,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 314 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:57:09,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-12-06 18:57:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2021-12-06 18:57:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.4794520547945205) internal successors, (324), 219 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 324 transitions. [2021-12-06 18:57:09,714 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 324 transitions. Word has length 39 [2021-12-06 18:57:09,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:09,715 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 324 transitions. [2021-12-06 18:57:09,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:09,716 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2021-12-06 18:57:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-06 18:57:09,718 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:09,719 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:09,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:57:09,719 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:09,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1352249408, now seen corresponding path program 1 times [2021-12-06 18:57:09,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:09,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888578995] [2021-12-06 18:57:09,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:09,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 18:57:09,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:09,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888578995] [2021-12-06 18:57:09,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888578995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:09,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:09,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:57:09,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560438705] [2021-12-06 18:57:09,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:09,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:57:09,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:57:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:57:09,954 INFO L87 Difference]: Start difference. First operand 220 states and 324 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:11,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:12,000 INFO L93 Difference]: Finished difference Result 429 states and 639 transitions. [2021-12-06 18:57:12,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:57:12,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-12-06 18:57:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:12,002 INFO L225 Difference]: With dead ends: 429 [2021-12-06 18:57:12,003 INFO L226 Difference]: Without dead ends: 322 [2021-12-06 18:57:12,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:57:12,004 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 126 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:12,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 467 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 18:57:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-12-06 18:57:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-12-06 18:57:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.4735202492211839) internal successors, (473), 321 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 473 transitions. [2021-12-06 18:57:12,025 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 473 transitions. Word has length 54 [2021-12-06 18:57:12,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:12,026 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 473 transitions. [2021-12-06 18:57:12,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 473 transitions. [2021-12-06 18:57:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-06 18:57:12,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:12,029 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:12,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:57:12,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:12,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:12,030 INFO L85 PathProgramCache]: Analyzing trace with hash 210697016, now seen corresponding path program 1 times [2021-12-06 18:57:12,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:12,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121027312] [2021-12-06 18:57:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:12,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:12,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:12,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121027312] [2021-12-06 18:57:12,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121027312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:12,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:12,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:12,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159709181] [2021-12-06 18:57:12,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:12,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:12,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:12,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:12,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:12,252 INFO L87 Difference]: Start difference. First operand 322 states and 473 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:14,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:16,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:16,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:16,583 INFO L93 Difference]: Finished difference Result 822 states and 1213 transitions. [2021-12-06 18:57:16,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:16,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-12-06 18:57:16,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:16,586 INFO L225 Difference]: With dead ends: 822 [2021-12-06 18:57:16,586 INFO L226 Difference]: Without dead ends: 510 [2021-12-06 18:57:16,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:16,589 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 98 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:16,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 568 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 237 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 18:57:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-12-06 18:57:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 372. [2021-12-06 18:57:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.5067385444743935) internal successors, (559), 371 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 559 transitions. [2021-12-06 18:57:16,601 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 559 transitions. Word has length 72 [2021-12-06 18:57:16,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:16,601 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 559 transitions. [2021-12-06 18:57:16,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 559 transitions. [2021-12-06 18:57:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-06 18:57:16,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:16,603 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:16,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:57:16,603 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 76683510, now seen corresponding path program 1 times [2021-12-06 18:57:16,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:16,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819807009] [2021-12-06 18:57:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:16,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:16,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:16,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819807009] [2021-12-06 18:57:16,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819807009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:16,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:16,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:16,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003205968] [2021-12-06 18:57:16,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:16,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:16,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:16,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:16,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:16,770 INFO L87 Difference]: Start difference. First operand 372 states and 559 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:18,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:19,027 INFO L93 Difference]: Finished difference Result 1009 states and 1515 transitions. [2021-12-06 18:57:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:19,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-12-06 18:57:19,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:19,031 INFO L225 Difference]: With dead ends: 1009 [2021-12-06 18:57:19,031 INFO L226 Difference]: Without dead ends: 647 [2021-12-06 18:57:19,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:19,032 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 108 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:19,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 271 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:19,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-12-06 18:57:19,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 394. [2021-12-06 18:57:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.5241730279898218) internal successors, (599), 393 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 599 transitions. [2021-12-06 18:57:19,051 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 599 transitions. Word has length 72 [2021-12-06 18:57:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:19,051 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 599 transitions. [2021-12-06 18:57:19,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 599 transitions. [2021-12-06 18:57:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-06 18:57:19,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:19,053 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:19,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:57:19,053 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:19,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2062745025, now seen corresponding path program 1 times [2021-12-06 18:57:19,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:19,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716815227] [2021-12-06 18:57:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:19,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:19,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:19,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716815227] [2021-12-06 18:57:19,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716815227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:19,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:19,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:19,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433944196] [2021-12-06 18:57:19,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:19,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:19,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:19,228 INFO L87 Difference]: Start difference. First operand 394 states and 599 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:21,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:23,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:23,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:23,541 INFO L93 Difference]: Finished difference Result 960 states and 1456 transitions. [2021-12-06 18:57:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:23,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-12-06 18:57:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:23,544 INFO L225 Difference]: With dead ends: 960 [2021-12-06 18:57:23,544 INFO L226 Difference]: Without dead ends: 576 [2021-12-06 18:57:23,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:23,545 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 93 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:23,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 560 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 18:57:23,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-12-06 18:57:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 446. [2021-12-06 18:57:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.543820224719101) internal successors, (687), 445 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 687 transitions. [2021-12-06 18:57:23,557 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 687 transitions. Word has length 73 [2021-12-06 18:57:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:23,557 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 687 transitions. [2021-12-06 18:57:23,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 687 transitions. [2021-12-06 18:57:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-06 18:57:23,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:23,558 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:23,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:57:23,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:23,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:23,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1922196415, now seen corresponding path program 1 times [2021-12-06 18:57:23,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:23,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391419930] [2021-12-06 18:57:23,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:23,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:23,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:23,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391419930] [2021-12-06 18:57:23,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391419930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:23,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:23,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:23,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463699992] [2021-12-06 18:57:23,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:23,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:23,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:23,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:23,706 INFO L87 Difference]: Start difference. First operand 446 states and 687 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:25,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:25,977 INFO L93 Difference]: Finished difference Result 1157 states and 1771 transitions. [2021-12-06 18:57:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:25,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-12-06 18:57:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:25,981 INFO L225 Difference]: With dead ends: 1157 [2021-12-06 18:57:25,981 INFO L226 Difference]: Without dead ends: 721 [2021-12-06 18:57:25,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:25,983 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 108 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:25,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 270 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-12-06 18:57:25,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 469. [2021-12-06 18:57:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 468 states have (on average 1.561965811965812) internal successors, (731), 468 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 731 transitions. [2021-12-06 18:57:25,996 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 731 transitions. Word has length 73 [2021-12-06 18:57:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:25,996 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 731 transitions. [2021-12-06 18:57:25,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 731 transitions. [2021-12-06 18:57:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 18:57:25,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:25,998 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:25,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 18:57:25,998 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:25,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:25,998 INFO L85 PathProgramCache]: Analyzing trace with hash 475156595, now seen corresponding path program 1 times [2021-12-06 18:57:25,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:25,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228510149] [2021-12-06 18:57:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:25,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:26,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:26,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228510149] [2021-12-06 18:57:26,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228510149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:26,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:26,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:26,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539231453] [2021-12-06 18:57:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:26,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:26,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:26,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:26,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:26,132 INFO L87 Difference]: Start difference. First operand 469 states and 731 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:28,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:28,365 INFO L93 Difference]: Finished difference Result 1203 states and 1853 transitions. [2021-12-06 18:57:28,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:28,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-12-06 18:57:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:28,368 INFO L225 Difference]: With dead ends: 1203 [2021-12-06 18:57:28,369 INFO L226 Difference]: Without dead ends: 744 [2021-12-06 18:57:28,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:28,370 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 106 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:28,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 270 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:28,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2021-12-06 18:57:28,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 547. [2021-12-06 18:57:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 546 states have (on average 1.5805860805860805) internal successors, (863), 546 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 863 transitions. [2021-12-06 18:57:28,384 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 863 transitions. Word has length 74 [2021-12-06 18:57:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:28,384 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 863 transitions. [2021-12-06 18:57:28,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 863 transitions. [2021-12-06 18:57:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-06 18:57:28,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:28,385 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:28,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:57:28,385 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1840475418, now seen corresponding path program 1 times [2021-12-06 18:57:28,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:28,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139193983] [2021-12-06 18:57:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:28,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:28,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:28,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139193983] [2021-12-06 18:57:28,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139193983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:28,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:28,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:28,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264587382] [2021-12-06 18:57:28,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:28,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:28,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:28,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:28,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:28,552 INFO L87 Difference]: Start difference. First operand 547 states and 863 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:30,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:30,814 INFO L93 Difference]: Finished difference Result 1284 states and 1988 transitions. [2021-12-06 18:57:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:30,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-12-06 18:57:30,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:30,818 INFO L225 Difference]: With dead ends: 1284 [2021-12-06 18:57:30,818 INFO L226 Difference]: Without dead ends: 747 [2021-12-06 18:57:30,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:30,820 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 105 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:30,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 284 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-12-06 18:57:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 553. [2021-12-06 18:57:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 552 states have (on average 1.5797101449275361) internal successors, (872), 552 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 872 transitions. [2021-12-06 18:57:30,834 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 872 transitions. Word has length 75 [2021-12-06 18:57:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:30,835 INFO L470 AbstractCegarLoop]: Abstraction has 553 states and 872 transitions. [2021-12-06 18:57:30,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 872 transitions. [2021-12-06 18:57:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-06 18:57:30,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:30,836 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:30,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:57:30,841 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:30,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:30,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1551313797, now seen corresponding path program 1 times [2021-12-06 18:57:30,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:30,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854905218] [2021-12-06 18:57:30,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:30,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:30,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:30,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854905218] [2021-12-06 18:57:30,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854905218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:30,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:30,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:30,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141455851] [2021-12-06 18:57:30,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:30,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:30,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:30,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:30,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:30,977 INFO L87 Difference]: Start difference. First operand 553 states and 872 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:32,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:33,225 INFO L93 Difference]: Finished difference Result 1371 states and 2129 transitions. [2021-12-06 18:57:33,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:33,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-12-06 18:57:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:33,230 INFO L225 Difference]: With dead ends: 1371 [2021-12-06 18:57:33,231 INFO L226 Difference]: Without dead ends: 828 [2021-12-06 18:57:33,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:33,232 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 109 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 39 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:33,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 284 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:33,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-12-06 18:57:33,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 619. [2021-12-06 18:57:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 618 states have (on average 1.5857605177993528) internal successors, (980), 618 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 980 transitions. [2021-12-06 18:57:33,257 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 980 transitions. Word has length 93 [2021-12-06 18:57:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:33,257 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 980 transitions. [2021-12-06 18:57:33,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 980 transitions. [2021-12-06 18:57:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-06 18:57:33,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:33,259 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:33,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:57:33,259 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:33,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1984659006, now seen corresponding path program 1 times [2021-12-06 18:57:33,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:33,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715014019] [2021-12-06 18:57:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:33,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:33,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:33,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715014019] [2021-12-06 18:57:33,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715014019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:33,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:33,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:33,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560256285] [2021-12-06 18:57:33,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:33,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:33,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:33,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:33,389 INFO L87 Difference]: Start difference. First operand 619 states and 980 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:35,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:37,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:37,673 INFO L93 Difference]: Finished difference Result 1394 states and 2191 transitions. [2021-12-06 18:57:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:37,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-06 18:57:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:37,677 INFO L225 Difference]: With dead ends: 1394 [2021-12-06 18:57:37,677 INFO L226 Difference]: Without dead ends: 785 [2021-12-06 18:57:37,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:37,678 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 83 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:37,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 542 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 18:57:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-12-06 18:57:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 667. [2021-12-06 18:57:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 666 states have (on average 1.5915915915915917) internal successors, (1060), 666 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1060 transitions. [2021-12-06 18:57:37,693 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1060 transitions. Word has length 94 [2021-12-06 18:57:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:37,693 INFO L470 AbstractCegarLoop]: Abstraction has 667 states and 1060 transitions. [2021-12-06 18:57:37,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1060 transitions. [2021-12-06 18:57:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-06 18:57:37,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:37,695 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:37,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:57:37,695 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:37,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:37,696 INFO L85 PathProgramCache]: Analyzing trace with hash -382035588, now seen corresponding path program 1 times [2021-12-06 18:57:37,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:37,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374407156] [2021-12-06 18:57:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:37,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:37,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:37,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374407156] [2021-12-06 18:57:37,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374407156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:37,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:37,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:37,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985975795] [2021-12-06 18:57:37,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:37,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:37,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:37,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:37,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:37,841 INFO L87 Difference]: Start difference. First operand 667 states and 1060 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:39,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:40,110 INFO L93 Difference]: Finished difference Result 1518 states and 2370 transitions. [2021-12-06 18:57:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:40,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-06 18:57:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:40,114 INFO L225 Difference]: With dead ends: 1518 [2021-12-06 18:57:40,114 INFO L226 Difference]: Without dead ends: 861 [2021-12-06 18:57:40,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:40,115 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 108 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:40,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 296 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-12-06 18:57:40,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 619. [2021-12-06 18:57:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 618 states have (on average 1.5711974110032363) internal successors, (971), 618 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 971 transitions. [2021-12-06 18:57:40,130 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 971 transitions. Word has length 94 [2021-12-06 18:57:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:40,130 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 971 transitions. [2021-12-06 18:57:40,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 971 transitions. [2021-12-06 18:57:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 18:57:40,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:40,132 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:40,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:57:40,132 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -549771506, now seen corresponding path program 1 times [2021-12-06 18:57:40,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:40,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816370436] [2021-12-06 18:57:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:40,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:40,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:40,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816370436] [2021-12-06 18:57:40,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816370436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:40,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:40,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:40,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619043247] [2021-12-06 18:57:40,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:40,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:40,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:40,287 INFO L87 Difference]: Start difference. First operand 619 states and 971 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:42,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:44,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:44,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:44,307 INFO L93 Difference]: Finished difference Result 1394 states and 2171 transitions. [2021-12-06 18:57:44,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:44,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-12-06 18:57:44,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:44,312 INFO L225 Difference]: With dead ends: 1394 [2021-12-06 18:57:44,312 INFO L226 Difference]: Without dead ends: 785 [2021-12-06 18:57:44,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:44,314 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 69 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:44,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 540 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-06 18:57:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-12-06 18:57:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 693. [2021-12-06 18:57:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 692 states have (on average 1.579479768786127) internal successors, (1093), 692 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1093 transitions. [2021-12-06 18:57:44,337 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1093 transitions. Word has length 109 [2021-12-06 18:57:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:44,337 INFO L470 AbstractCegarLoop]: Abstraction has 693 states and 1093 transitions. [2021-12-06 18:57:44,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1093 transitions. [2021-12-06 18:57:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 18:57:44,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:44,339 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:44,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:57:44,339 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:44,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:44,340 INFO L85 PathProgramCache]: Analyzing trace with hash 41249484, now seen corresponding path program 1 times [2021-12-06 18:57:44,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:44,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839688686] [2021-12-06 18:57:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:44,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:44,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:44,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839688686] [2021-12-06 18:57:44,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839688686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:44,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:44,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:44,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372261999] [2021-12-06 18:57:44,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:44,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:44,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:44,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:44,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:44,487 INFO L87 Difference]: Start difference. First operand 693 states and 1093 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:46,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:48,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:48,779 INFO L93 Difference]: Finished difference Result 1468 states and 2291 transitions. [2021-12-06 18:57:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:48,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-12-06 18:57:48,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:48,783 INFO L225 Difference]: With dead ends: 1468 [2021-12-06 18:57:48,783 INFO L226 Difference]: Without dead ends: 785 [2021-12-06 18:57:48,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:48,784 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 66 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:48,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 538 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 18:57:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-12-06 18:57:48,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 697. [2021-12-06 18:57:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 696 states have (on average 1.5790229885057472) internal successors, (1099), 696 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1099 transitions. [2021-12-06 18:57:48,804 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1099 transitions. Word has length 109 [2021-12-06 18:57:48,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:48,804 INFO L470 AbstractCegarLoop]: Abstraction has 697 states and 1099 transitions. [2021-12-06 18:57:48,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1099 transitions. [2021-12-06 18:57:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 18:57:48,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:48,806 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:48,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 18:57:48,806 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1411803152, now seen corresponding path program 1 times [2021-12-06 18:57:48,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:48,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923314465] [2021-12-06 18:57:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:48,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 18:57:48,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:48,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923314465] [2021-12-06 18:57:48,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923314465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:48,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:48,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:48,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298703708] [2021-12-06 18:57:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:48,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:48,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:48,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:48,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:48,944 INFO L87 Difference]: Start difference. First operand 697 states and 1099 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:50,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:52,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:53,169 INFO L93 Difference]: Finished difference Result 1468 states and 2309 transitions. [2021-12-06 18:57:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:53,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-12-06 18:57:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:53,173 INFO L225 Difference]: With dead ends: 1468 [2021-12-06 18:57:53,173 INFO L226 Difference]: Without dead ends: 781 [2021-12-06 18:57:53,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:53,174 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 38 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:53,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 496 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-12-06 18:57:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2021-12-06 18:57:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 737. [2021-12-06 18:57:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 736 states have (on average 1.5855978260869565) internal successors, (1167), 736 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1167 transitions. [2021-12-06 18:57:53,188 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1167 transitions. Word has length 109 [2021-12-06 18:57:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:53,188 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1167 transitions. [2021-12-06 18:57:53,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1167 transitions. [2021-12-06 18:57:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-06 18:57:53,190 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:53,190 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:53,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:57:53,190 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash 608162855, now seen corresponding path program 1 times [2021-12-06 18:57:53,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:53,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144246173] [2021-12-06 18:57:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:53,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:53,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:53,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144246173] [2021-12-06 18:57:53,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144246173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:53,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:53,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:53,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318566149] [2021-12-06 18:57:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:53,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:53,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:53,326 INFO L87 Difference]: Start difference. First operand 737 states and 1167 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:55,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:55,574 INFO L93 Difference]: Finished difference Result 1658 states and 2584 transitions. [2021-12-06 18:57:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:55,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-12-06 18:57:55,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:55,578 INFO L225 Difference]: With dead ends: 1658 [2021-12-06 18:57:55,578 INFO L226 Difference]: Without dead ends: 931 [2021-12-06 18:57:55,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:55,579 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 93 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:55,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 296 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:57:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-12-06 18:57:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 767. [2021-12-06 18:57:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 766 states have (on average 1.5953002610966058) internal successors, (1222), 766 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1222 transitions. [2021-12-06 18:57:55,593 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1222 transitions. Word has length 110 [2021-12-06 18:57:55,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:55,594 INFO L470 AbstractCegarLoop]: Abstraction has 767 states and 1222 transitions. [2021-12-06 18:57:55,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1222 transitions. [2021-12-06 18:57:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-06 18:57:55,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:55,601 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:55,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 18:57:55,602 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:55,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:55,602 INFO L85 PathProgramCache]: Analyzing trace with hash 438603909, now seen corresponding path program 1 times [2021-12-06 18:57:55,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:55,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073889265] [2021-12-06 18:57:55,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:55,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:57:55,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:55,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073889265] [2021-12-06 18:57:55,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073889265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:55,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:55,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:55,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744400853] [2021-12-06 18:57:55,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:55,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:55,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:55,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:55,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:55,725 INFO L87 Difference]: Start difference. First operand 767 states and 1222 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:57,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:58,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:58,009 INFO L93 Difference]: Finished difference Result 1688 states and 2634 transitions. [2021-12-06 18:57:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:57:58,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-12-06 18:57:58,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:58,013 INFO L225 Difference]: With dead ends: 1688 [2021-12-06 18:57:58,013 INFO L226 Difference]: Without dead ends: 931 [2021-12-06 18:57:58,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:58,014 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:58,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 292 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 18:57:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-12-06 18:57:58,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 773. [2021-12-06 18:57:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 772 states have (on average 1.5945595854922279) internal successors, (1231), 772 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1231 transitions. [2021-12-06 18:57:58,029 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1231 transitions. Word has length 110 [2021-12-06 18:57:58,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:58,029 INFO L470 AbstractCegarLoop]: Abstraction has 773 states and 1231 transitions. [2021-12-06 18:57:58,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:57:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1231 transitions. [2021-12-06 18:57:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 18:57:58,031 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:58,031 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-06 18:57:58,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:57:58,031 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash -901344485, now seen corresponding path program 1 times [2021-12-06 18:57:58,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782479884] [2021-12-06 18:57:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:58,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-06 18:57:58,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:58,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782479884] [2021-12-06 18:57:58,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782479884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:58,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:58,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:58,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191794460] [2021-12-06 18:57:58,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:58,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:58,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:58,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:58,176 INFO L87 Difference]: Start difference. First operand 773 states and 1231 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:00,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:02,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:02,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:02,469 INFO L93 Difference]: Finished difference Result 1616 states and 2549 transitions. [2021-12-06 18:58:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:58:02,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-12-06 18:58:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:02,473 INFO L225 Difference]: With dead ends: 1616 [2021-12-06 18:58:02,473 INFO L226 Difference]: Without dead ends: 853 [2021-12-06 18:58:02,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:58:02,474 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 79 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:02,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 530 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 18:58:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2021-12-06 18:58:02,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 773. [2021-12-06 18:58:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 772 states have (on average 1.5919689119170986) internal successors, (1229), 772 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1229 transitions. [2021-12-06 18:58:02,495 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1229 transitions. Word has length 111 [2021-12-06 18:58:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:02,496 INFO L470 AbstractCegarLoop]: Abstraction has 773 states and 1229 transitions. [2021-12-06 18:58:02,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1229 transitions. [2021-12-06 18:58:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 18:58:02,498 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:02,498 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-06 18:58:02,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:58:02,499 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:02,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1318741091, now seen corresponding path program 1 times [2021-12-06 18:58:02,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:02,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367324597] [2021-12-06 18:58:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:02,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-06 18:58:02,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:02,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367324597] [2021-12-06 18:58:02,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367324597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:02,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:02,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:02,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602439332] [2021-12-06 18:58:02,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:02,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:02,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:02,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:02,625 INFO L87 Difference]: Start difference. First operand 773 states and 1229 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:04,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:04,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:04,668 INFO L93 Difference]: Finished difference Result 1537 states and 2452 transitions. [2021-12-06 18:58:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-12-06 18:58:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:04,672 INFO L225 Difference]: With dead ends: 1537 [2021-12-06 18:58:04,672 INFO L226 Difference]: Without dead ends: 1047 [2021-12-06 18:58:04,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:04,673 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:04,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 474 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 18:58:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-12-06 18:58:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1047. [2021-12-06 18:58:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1046 states have (on average 1.5917782026768643) internal successors, (1665), 1046 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1665 transitions. [2021-12-06 18:58:04,691 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1665 transitions. Word has length 111 [2021-12-06 18:58:04,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:04,691 INFO L470 AbstractCegarLoop]: Abstraction has 1047 states and 1665 transitions. [2021-12-06 18:58:04,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1665 transitions. [2021-12-06 18:58:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-06 18:58:04,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:04,693 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-06 18:58:04,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 18:58:04,694 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash -782701753, now seen corresponding path program 1 times [2021-12-06 18:58:04,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:04,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902538675] [2021-12-06 18:58:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:04,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-06 18:58:04,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:04,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902538675] [2021-12-06 18:58:04,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902538675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:04,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:04,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:04,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215396296] [2021-12-06 18:58:04,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:04,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:04,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:04,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:04,830 INFO L87 Difference]: Start difference. First operand 1047 states and 1665 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:06,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:06,881 INFO L93 Difference]: Finished difference Result 2085 states and 3322 transitions. [2021-12-06 18:58:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:06,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-12-06 18:58:06,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:06,887 INFO L225 Difference]: With dead ends: 2085 [2021-12-06 18:58:06,887 INFO L226 Difference]: Without dead ends: 1321 [2021-12-06 18:58:06,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:06,888 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 127 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:06,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 473 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 18:58:06,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2021-12-06 18:58:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1319. [2021-12-06 18:58:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.5918057663125948) internal successors, (2098), 1318 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 2098 transitions. [2021-12-06 18:58:06,913 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 2098 transitions. Word has length 113 [2021-12-06 18:58:06,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:06,913 INFO L470 AbstractCegarLoop]: Abstraction has 1319 states and 2098 transitions. [2021-12-06 18:58:06,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2098 transitions. [2021-12-06 18:58:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-06 18:58:06,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:06,915 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-06 18:58:06,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:58:06,915 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:06,916 INFO L85 PathProgramCache]: Analyzing trace with hash -642153143, now seen corresponding path program 1 times [2021-12-06 18:58:06,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:06,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829601976] [2021-12-06 18:58:06,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:06,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-06 18:58:07,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:07,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829601976] [2021-12-06 18:58:07,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829601976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:07,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:07,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:07,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840963881] [2021-12-06 18:58:07,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:07,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:07,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:07,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:07,044 INFO L87 Difference]: Start difference. First operand 1319 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:09,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:09,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:09,100 INFO L93 Difference]: Finished difference Result 2329 states and 3705 transitions. [2021-12-06 18:58:09,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:09,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-12-06 18:58:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:09,105 INFO L225 Difference]: With dead ends: 2329 [2021-12-06 18:58:09,105 INFO L226 Difference]: Without dead ends: 1293 [2021-12-06 18:58:09,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:09,106 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 130 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:09,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 472 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 18:58:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2021-12-06 18:58:09,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2021-12-06 18:58:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1292 states have (on average 1.5859133126934986) internal successors, (2049), 1292 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 2049 transitions. [2021-12-06 18:58:09,127 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 2049 transitions. Word has length 113 [2021-12-06 18:58:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:09,128 INFO L470 AbstractCegarLoop]: Abstraction has 1293 states and 2049 transitions. [2021-12-06 18:58:09,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 2049 transitions. [2021-12-06 18:58:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-06 18:58:09,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:09,130 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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] [2021-12-06 18:58:09,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:58:09,130 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:09,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash -272550210, now seen corresponding path program 1 times [2021-12-06 18:58:09,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:09,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044668450] [2021-12-06 18:58:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:09,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:58:09,952 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:58:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:58:10,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:58:10,264 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 18:58:10,265 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:58:10,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:58:10,269 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:10,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:58:10,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:58:10 BoogieIcfgContainer [2021-12-06 18:58:10,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:58:10,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:58:10,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:58:10,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:58:10,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:57:06" (3/4) ... [2021-12-06 18:58:10,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:58:10,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:58:10,379 INFO L158 Benchmark]: Toolchain (without parser) took 67135.47ms. Allocated memory was 111.1MB in the beginning and 297.8MB in the end (delta: 186.6MB). Free memory was 66.2MB in the beginning and 129.9MB in the end (delta: -63.8MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,379 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:58:10,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.65ms. Allocated memory is still 111.1MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.79ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 60.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,380 INFO L158 Benchmark]: Boogie Preprocessor took 55.39ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 53.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,380 INFO L158 Benchmark]: RCFGBuilder took 2833.78ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 53.4MB in the beginning and 100.6MB in the end (delta: -47.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,380 INFO L158 Benchmark]: TraceAbstraction took 63794.37ms. Allocated memory was 134.2MB in the beginning and 297.8MB in the end (delta: 163.6MB). Free memory was 100.6MB in the beginning and 129.9MB in the end (delta: -29.3MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. [2021-12-06 18:58:10,380 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 297.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:58:10,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.65ms. Allocated memory is still 111.1MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.79ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 60.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.39ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 53.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2833.78ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 53.4MB in the beginning and 100.6MB in the end (delta: -47.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 63794.37ms. Allocated memory was 134.2MB in the beginning and 297.8MB in the end (delta: 163.6MB). Free memory was 100.6MB in the beginning and 129.9MB in the end (delta: -29.3MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 297.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1353. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_client_data ; VAL [init=1, SSLv3_client_data={4:0}] [L1077] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1081] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1082] s->ctx = malloc(sizeof(SSL_CTX)) [L1083] s->session = malloc(sizeof(SSL_SESSION)) [L1084] s->state = 12292 [L1085] s->version = __VERIFIER_nondet_int() [L1087] s->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1088] EXPR s->ctx [L1088] (s->ctx)->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1089] s->init_buf = (BUF_MEM *)__VERIFIER_nondet_ulong() [L1090] s->bbio = (BIO *) __VERIFIER_nondet_ulong() [L1091] s->wbio = (BIO *) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->flags = __VERIFIER_nondet_long() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.cert_req = __VERIFIER_nondet_int() [L1094] EXPR s->s3 [L1094] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1096] EXPR s->s3 [L1096] (s->s3)->tmp.next_state = __VERIFIER_nondet_int() [L1098] CALL ssl3_connect(s) [L1104] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1105] unsigned long tmp ; [L1106] unsigned long l ; [L1107] long num1 ; [L1108] void (*cb)() ; [L1109] int ret ; [L1110] int new_state ; [L1111] int state ; [L1112] int skip ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 ; [L1116] int tmp___4 ; [L1117] int tmp___5 ; [L1118] int tmp___6 ; [L1119] int tmp___7 ; [L1120] int tmp___8 ; [L1121] long tmp___9 ; [L1123] int blastFlag ; [L1126] blastFlag = 0 [L1127] s->hit=__VERIFIER_nondet_int () [L1128] s->state = 12292 [L1129] tmp = __VERIFIER_nondet_int() [L1130] cb = (void (*)())((void *)0) [L1131] ret = -1 [L1132] skip = 0 [L1133] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->info_callback={0:6}, skip=0, SSLv3_client_data={4:0}, tmp=0, tmp___1=0, tmp___2=0] [L1133] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1134] EXPR s->info_callback [L1134] cb = s->info_callback [L1142] EXPR s->in_handshake [L1142] s->in_handshake += 1 [L1143] COND FALSE !(tmp___1 & 12288) VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, tmp=0, tmp___1=0, tmp___2=0] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, tmp=0, tmp___1=0, tmp___2=0] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=12292, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0] [L1156] COND TRUE s->state == 12292 [L1259] s->new_session = 1 [L1260] s->state = 4096 [L1261] EXPR s->ctx [L1261] EXPR (s->ctx)->stats.sess_connect_renegotiate [L1261] (s->ctx)->stats.sess_connect_renegotiate += 1 [L1266] s->server = 0 VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0] [L1267] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0] [L1272] EXPR s->version VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->version=7, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0] [L1272] COND FALSE !((s->version & 65280) != 768) [L1278] s->type = 4096 [L1279] EXPR s->init_buf VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->init_buf={0:-13}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0] [L1279] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1291] tmp___4 = __VERIFIER_nondet_int() [L1292] COND FALSE !(! tmp___4) [L1298] tmp___5 = __VERIFIER_nondet_int() [L1299] COND FALSE !(! tmp___5) [L1305] s->state = 4368 [L1306] EXPR s->ctx [L1306] EXPR (s->ctx)->stats.sess_connect [L1306] (s->ctx)->stats.sess_connect += 1 [L1307] s->init_num = 0 VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=12292, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=0, buf={0:-3}, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=4368, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1171] COND TRUE s->state == 4368 [L1311] s->shutdown = 0 [L1312] ret = __VERIFIER_nondet_int() [L1313] COND TRUE blastFlag == 0 [L1314] blastFlag = 1 VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1318] COND FALSE !(ret <= 0) [L1323] s->state = 4384 [L1324] s->init_num = 0 [L1325] EXPR s->bbio [L1325] EXPR s->wbio VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->bbio={0:14}, s->wbio={0:-15}, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1325] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4368, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state VAL [={0:6}, blastFlag=1, buf={0:-3}, init=1, ret=13, s={-8:0}, s={-8:0}, s->state=4384, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1177] COND TRUE s->state == 4384 [L1333] ret = __VERIFIER_nondet_int() [L1334] COND TRUE blastFlag == 1 [L1335] blastFlag = 2 VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1339] COND FALSE !(ret <= 0) [L1344] s->hit VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->hit=0, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1344] COND FALSE !(s->hit) [L1347] s->state = 4400 VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1349] s->init_num = 0 VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4384, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state VAL [={0:6}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->state=4400, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1183] COND TRUE s->state == 4400 [L1353] EXPR s->s3 [L1353] EXPR (s->s3)->tmp.new_cipher [L1353] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:6}, ((s->s3)->tmp.new_cipher)->algorithms=4294967318, (s->s3)->tmp.new_cipher={-9:0}, blastFlag=2, buf={0:-3}, init=1, ret=19, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1353] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1356] ret = __VERIFIER_nondet_int() [L1357] COND TRUE blastFlag == 2 [L1358] blastFlag = 3 VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1362] COND FALSE !(ret <= 0) VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1368] s->state = 4416 [L1369] s->init_num = 0 VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4400, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1183] COND FALSE !(s->state == 4400) [L1186] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1186] COND FALSE !(s->state == 4401) [L1189] EXPR s->state VAL [={0:6}, blastFlag=3, buf={0:-3}, init=1, ret=22, s={-8:0}, s={-8:0}, s->state=4416, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1189] COND TRUE s->state == 4416 [L1373] ret = __VERIFIER_nondet_int() [L1374] COND TRUE blastFlag == 3 [L1375] blastFlag = 4 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1] [L1379] COND FALSE !(ret <= 0) [L1384] s->state = 4432 [L1385] s->init_num = 0 [L1386] tmp___6 = __VERIFIER_nondet_int() [L1387] COND FALSE !(! tmp___6) VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4416, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1183] COND FALSE !(s->state == 4400) [L1186] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1186] COND FALSE !(s->state == 4401) [L1189] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1189] COND FALSE !(s->state == 4416) [L1192] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1192] COND FALSE !(s->state == 4417) [L1195] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4432, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1195] COND TRUE s->state == 4432 [L1396] ret = __VERIFIER_nondet_int() [L1397] COND FALSE !(blastFlag == 5) VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1402] COND FALSE !(ret <= 0) [L1407] s->state = 4448 [L1408] s->init_num = 0 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1627] EXPR s->s3 [L1627] EXPR (s->s3)->tmp.reuse_message VAL [={0:6}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1627] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1656] skip = 0 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1153] COND TRUE 1 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4432, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1183] COND FALSE !(s->state == 4400) [L1186] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1186] COND FALSE !(s->state == 4401) [L1189] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1189] COND FALSE !(s->state == 4416) [L1192] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1192] COND FALSE !(s->state == 4417) [L1195] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1195] COND FALSE !(s->state == 4432) [L1198] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1198] COND FALSE !(s->state == 4433) [L1201] EXPR s->state VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=4448, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1201] COND TRUE s->state == 4448 [L1412] ret = __VERIFIER_nondet_int() [L1413] COND TRUE blastFlag == 4 VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=-16, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] [L1668] reach_error() VAL [={0:6}, blastFlag=4, buf={0:-3}, init=1, ret=-16, s={-8:0}, s={-8:0}, skip=0, SSLv3_client_data={4:0}, state=4448, tmp=0, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=1, tmp___6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.6s, OverallIterations: 22, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 58.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 1994 SdHoareTripleChecker+Valid, 57.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1994 mSDsluCounter, 8770 SdHoareTripleChecker+Invalid, 56.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4731 mSDsCounter, 406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3364 IncrementalHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 406 mSolverCounterUnsat, 4039 mSDtfsCounter, 3364 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1319occurred in iteration=20, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 2362 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1811 ConstructedInterpolants, 0 QuantifiedInterpolants, 5032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 1580/1580 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 18:58:10,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:58:11,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:58:11,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:58:11,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:58:11,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:58:11,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:58:11,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:58:11,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:58:11,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:58:11,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:58:11,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:58:11,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:58:11,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:58:11,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:58:11,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:58:11,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:58:11,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:58:11,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:58:11,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:58:11,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:58:11,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:58:11,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:58:11,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:58:11,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:58:11,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:58:11,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:58:11,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:58:11,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:58:11,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:58:11,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:58:11,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:58:11,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:58:11,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:58:11,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:58:11,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:58:11,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:58:11,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:58:11,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:58:11,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:58:11,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:58:11,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:58:11,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 18:58:11,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:58:11,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:58:11,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:58:11,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:58:11,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:58:11,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:58:11,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:58:11,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:58:11,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:58:11,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:58:11,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:58:11,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:58:11,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:58:11,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:58:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:58:11,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:58:11,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:58:11,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 18:58:11,992 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 [2021-12-06 18:58:12,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:58:12,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:58:12,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:58:12,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:58:12,227 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:58:12,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:58:12,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/adae659cd/d0998049b1964099b0f55d510aa254d5/FLAG4fdb0c164 [2021-12-06 18:58:12,772 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:58:12,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:58:12,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/adae659cd/d0998049b1964099b0f55d510aa254d5/FLAG4fdb0c164 [2021-12-06 18:58:13,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/data/adae659cd/d0998049b1964099b0f55d510aa254d5 [2021-12-06 18:58:13,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:58:13,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:58:13,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:58:13,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:58:13,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:58:13,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9f2821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13, skipping insertion in model container [2021-12-06 18:58:13,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:58:13,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:58:13,577 WARN L230 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-12-06 18:58:13,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:58:13,596 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 18:58:13,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:58:13,659 WARN L230 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-12-06 18:58:13,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:58:13,667 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:58:13,730 WARN L230 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_0761cfc3-8eae-4509-b85b-63ae75ee30d2/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-12-06 18:58:13,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:58:13,746 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:58:13,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13 WrapperNode [2021-12-06 18:58:13,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:58:13,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:58:13,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:58:13,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:58:13,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,800 INFO L137 Inliner]: procedures = 35, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 694 [2021-12-06 18:58:13,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:58:13,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:58:13,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:58:13,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:58:13,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:58:13,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:58:13,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:58:13,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:58:13,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (1/1) ... [2021-12-06 18:58:13,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:58:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:58:13,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:58:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:58:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:58:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 18:58:14,033 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:58:14,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:58:14,051 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 18:58:20,458 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-12-06 18:58:20,458 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-12-06 18:58:20,458 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:58:20,464 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:58:20,464 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:58:20,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:58:20 BoogieIcfgContainer [2021-12-06 18:58:20,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:58:20,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:58:20,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:58:20,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:58:20,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:58:13" (1/3) ... [2021-12-06 18:58:20,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4239e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:58:20, skipping insertion in model container [2021-12-06 18:58:20,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:58:13" (2/3) ... [2021-12-06 18:58:20,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4239e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:58:20, skipping insertion in model container [2021-12-06 18:58:20,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:58:20" (3/3) ... [2021-12-06 18:58:20,474 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-2.c [2021-12-06 18:58:20,479 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:58:20,479 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:58:20,519 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:58:20,526 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:58:20,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:58:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 18:58:20,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:20,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:20,548 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703967, now seen corresponding path program 1 times [2021-12-06 18:58:20,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:20,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436093168] [2021-12-06 18:58:20,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:20,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:20,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:20,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 18:58:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:21,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:58:21,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:58:21,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:58:21,509 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:58:21,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436093168] [2021-12-06 18:58:21,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436093168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:21,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:21,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:21,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405608790] [2021-12-06 18:58:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:21,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:21,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:58:21,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:21,546 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:21,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:21,640 INFO L93 Difference]: Finished difference Result 375 states and 626 transitions. [2021-12-06 18:58:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:21,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-06 18:58:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:21,654 INFO L225 Difference]: With dead ends: 375 [2021-12-06 18:58:21,654 INFO L226 Difference]: Without dead ends: 217 [2021-12-06 18:58:21,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:21,659 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 181 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:21,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 402 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:58:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-12-06 18:58:21,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-12-06 18:58:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 216 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2021-12-06 18:58:21,706 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 24 [2021-12-06 18:58:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:21,707 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2021-12-06 18:58:21,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2021-12-06 18:58:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 18:58:21,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:21,710 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:21,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:58:21,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:58:21,911 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash 546953675, now seen corresponding path program 1 times [2021-12-06 18:58:21,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:21,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161518172] [2021-12-06 18:58:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:21,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:21,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:21,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 18:58:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:58:22,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:58:22,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:58:22,845 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:58:22,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161518172] [2021-12-06 18:58:22,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161518172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:22,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:22,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:22,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444760602] [2021-12-06 18:58:22,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:22,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:22,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:58:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:22,848 INFO L87 Difference]: Start difference. First operand 217 states and 321 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:24,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:24,961 INFO L93 Difference]: Finished difference Result 426 states and 636 transitions. [2021-12-06 18:58:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:24,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-12-06 18:58:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:24,964 INFO L225 Difference]: With dead ends: 426 [2021-12-06 18:58:24,964 INFO L226 Difference]: Without dead ends: 319 [2021-12-06 18:58:24,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:24,966 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 126 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:24,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 467 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 18:58:24,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-12-06 18:58:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-12-06 18:58:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.4779874213836477) internal successors, (470), 318 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 470 transitions. [2021-12-06 18:58:24,986 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 470 transitions. Word has length 39 [2021-12-06 18:58:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:24,987 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 470 transitions. [2021-12-06 18:58:24,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 470 transitions. [2021-12-06 18:58:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-06 18:58:24,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:24,990 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:25,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-06 18:58:25,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:58:25,192 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:25,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1711683715, now seen corresponding path program 1 times [2021-12-06 18:58:25,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:25,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883428231] [2021-12-06 18:58:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:25,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:25,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:25,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 18:58:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:26,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:58:26,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 18:58:26,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:58:26,204 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:58:26,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883428231] [2021-12-06 18:58:26,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883428231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:26,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:26,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:26,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924558987] [2021-12-06 18:58:26,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:26,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:26,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:58:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:26,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:26,206 INFO L87 Difference]: Start difference. First operand 319 states and 470 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:28,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:28,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:28,288 INFO L93 Difference]: Finished difference Result 632 states and 937 transitions. [2021-12-06 18:58:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:28,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-12-06 18:58:28,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:28,292 INFO L225 Difference]: With dead ends: 632 [2021-12-06 18:58:28,292 INFO L226 Difference]: Without dead ends: 423 [2021-12-06 18:58:28,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:28,295 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 128 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:28,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 474 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 18:58:28,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-12-06 18:58:28,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2021-12-06 18:58:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.4739336492890995) internal successors, (622), 422 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 622 transitions. [2021-12-06 18:58:28,316 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 622 transitions. Word has length 57 [2021-12-06 18:58:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:28,317 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 622 transitions. [2021-12-06 18:58:28,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 622 transitions. [2021-12-06 18:58:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-06 18:58:28,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:28,321 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:28,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-06 18:58:28,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:58:28,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:28,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1922596163, now seen corresponding path program 1 times [2021-12-06 18:58:28,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:28,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080423671] [2021-12-06 18:58:28,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:28,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:28,530 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 18:58:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:29,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:58:29,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-06 18:58:29,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:58:29,635 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:58:29,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080423671] [2021-12-06 18:58:29,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080423671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:29,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:29,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:29,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574681998] [2021-12-06 18:58:29,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:29,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:29,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:58:29,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:29,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:29,637 INFO L87 Difference]: Start difference. First operand 423 states and 622 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:31,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:31,718 INFO L93 Difference]: Finished difference Result 839 states and 1240 transitions. [2021-12-06 18:58:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:31,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-12-06 18:58:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:31,721 INFO L225 Difference]: With dead ends: 839 [2021-12-06 18:58:31,721 INFO L226 Difference]: Without dead ends: 526 [2021-12-06 18:58:31,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:31,723 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:31,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 473 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 18:58:31,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-12-06 18:58:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2021-12-06 18:58:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.4723809523809523) internal successors, (773), 525 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2021-12-06 18:58:31,741 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 77 [2021-12-06 18:58:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:31,741 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2021-12-06 18:58:31,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2021-12-06 18:58:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-06 18:58:31,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:31,746 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-12-06 18:58:31,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-06 18:58:31,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:58:31,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:31,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:31,950 INFO L85 PathProgramCache]: Analyzing trace with hash -158208422, now seen corresponding path program 1 times [2021-12-06 18:58:31,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:31,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305552008] [2021-12-06 18:58:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:31,954 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:31,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:31,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 18:58:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:32,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:58:32,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-06 18:58:33,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:58:33,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:58:33,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305552008] [2021-12-06 18:58:33,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305552008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:33,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:33,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:58:33,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827774831] [2021-12-06 18:58:33,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:33,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:58:33,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:58:33,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:58:33,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:33,135 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:35,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:35,213 INFO L93 Difference]: Finished difference Result 939 states and 1381 transitions. [2021-12-06 18:58:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:58:35,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-12-06 18:58:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:35,216 INFO L225 Difference]: With dead ends: 939 [2021-12-06 18:58:35,217 INFO L226 Difference]: Without dead ends: 523 [2021-12-06 18:58:35,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:58:35,218 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 128 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:35,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 18:58:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-12-06 18:58:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2021-12-06 18:58:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.4616858237547892) internal successors, (763), 522 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 763 transitions. [2021-12-06 18:58:35,230 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 763 transitions. Word has length 98 [2021-12-06 18:58:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:35,230 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 763 transitions. [2021-12-06 18:58:35,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:58:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 763 transitions. [2021-12-06 18:58:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-06 18:58:35,232 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:35,232 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-12-06 18:58:35,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 18:58:35,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:58:35,433 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:58:35,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1855651051, now seen corresponding path program 1 times [2021-12-06 18:58:35,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:58:35,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288306847] [2021-12-06 18:58:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:35,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:58:35,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:58:35,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:58:35,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0761cfc3-8eae-4509-b85b-63ae75ee30d2/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 18:58:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:37,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:58:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:58:39,215 INFO L354 Elim1Store]: treesize reduction 32, result has 78.5 percent of original size [2021-12-06 18:58:39,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 1482 treesize of output 1090 [2021-12-06 18:58:41,051 INFO L354 Elim1Store]: treesize reduction 1374, result has 25.4 percent of original size [2021-12-06 18:58:41,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 9 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 4114 treesize of output 2116 [2021-12-06 18:58:41,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1711 treesize of output 1297 [2021-12-06 18:58:41,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:58:41,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1227 treesize of output 1095 [2021-12-06 18:58:41,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1797 treesize of output 1599 [2021-12-06 18:58:41,546 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:58:41,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1333 treesize of output 1069 [2021-12-06 18:58:41,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 121 [2021-12-06 18:58:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,048 INFO L244 Elim1Store]: Index analysis took 363 ms [2021-12-06 18:58:42,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 87 [2021-12-06 18:58:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:42,744 INFO L244 Elim1Store]: Index analysis took 282 ms [2021-12-06 18:58:42,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 111 [2021-12-06 18:58:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:58:43,353 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-12-06 18:58:43,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 111 [2021-12-06 18:58:43,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 115 [2021-12-06 18:59:53,849 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:59:53,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 73 [2021-12-06 18:59:54,165 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:59:54,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 66 [2021-12-06 18:59:55,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-06 18:59:55,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 18:59:55,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 18:59:55,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 18:59:56,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-06 18:59:56,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 18:59:56,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-06 18:59:56,873 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:59:56,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 87 [2021-12-06 18:59:57,755 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 18:59:57,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2021-12-06 18:59:57,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-06 18:59:58,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:59:58,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 139 [2021-12-06 18:59:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-12-06 18:59:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:59:59,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-12-06 19:00:00,287 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:00,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 351 treesize of output 313 [2021-12-06 19:00:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-12-06 19:00:03,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-12-06 19:00:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:03,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-12-06 19:00:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:00:04,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-12-06 19:00:06,176 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:06,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 570 treesize of output 584