./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg --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 3b0a25bcf9d7b9f9ae78e93e032586591c4401ff73527e9d61e66c096f2e8695 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:31:53,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:31:53,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:31:53,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:31:53,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:31:53,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:31:53,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:31:53,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:31:53,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:31:53,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:31:53,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:31:53,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:31:53,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:31:53,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:31:53,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:31:53,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:31:53,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:31:53,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:31:53,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:31:53,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:31:53,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:31:53,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:31:53,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:31:53,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:31:53,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:31:53,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:31:53,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:31:53,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:31:53,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:31:53,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:31:53,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:31:53,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:31:53,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:31:53,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:31:53,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:31:53,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:31:53,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:31:53,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:31:53,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:31:53,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:31:53,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:31:53,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:31:53,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:31:53,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:31:54,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:31:54,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:31:54,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:31:54,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:31:54,002 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:31:54,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:31:54,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:31:54,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:31:54,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:31:54,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:31:54,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:31:54,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:31:54,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:31:54,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:31:54,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:31:54,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:31:54,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:31:54,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:31:54,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:31:54,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:31:54,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:54,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:31:54,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:31:54,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:31:54,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:31:54,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:31:54,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:31:54,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:31:54,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:31:54,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:31:54,009 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_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b0a25bcf9d7b9f9ae78e93e032586591c4401ff73527e9d61e66c096f2e8695 [2021-10-28 09:31:54,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:31:54,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:31:54,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:31:54,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:31:54,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:31:54,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-10-28 09:31:54,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/data/d5f8ad8a0/8fbd69700ff44d0db585aea943905571/FLAGb4318e215 [2021-10-28 09:31:55,070 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:31:55,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-10-28 09:31:55,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/data/d5f8ad8a0/8fbd69700ff44d0db585aea943905571/FLAGb4318e215 [2021-10-28 09:31:55,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/data/d5f8ad8a0/8fbd69700ff44d0db585aea943905571 [2021-10-28 09:31:55,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:31:55,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:31:55,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:55,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:31:55,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:31:55,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:55,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42807a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55, skipping insertion in model container [2021-10-28 09:31:55,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:55,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:31:55,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:31:55,844 WARN L228 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_608be132-fed2-4147-adff-9ab1545751f0/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c[42850,42863] [2021-10-28 09:31:55,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:55,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:31:55,930 WARN L228 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_608be132-fed2-4147-adff-9ab1545751f0/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c[42850,42863] [2021-10-28 09:31:55,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:55,947 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:31:55,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55 WrapperNode [2021-10-28 09:31:55,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:55,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:55,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:31:55,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:31:55,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:55,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:56,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:31:56,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:31:56,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:31:56,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:31:56,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:31:56,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:31:56,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:31:56,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (1/1) ... [2021-10-28 09:31:56,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:31:56,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:31:56,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:31:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:31:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:31:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:31:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:31:56,365 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:31:56,901 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-28 09:31:56,901 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-28 09:31:56,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:31:56,911 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:31:56,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:56 BoogieIcfgContainer [2021-10-28 09:31:56,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:31:56,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:31:56,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:31:56,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:31:56,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:31:55" (1/3) ... [2021-10-28 09:31:56,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c593882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:56, skipping insertion in model container [2021-10-28 09:31:56,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:55" (2/3) ... [2021-10-28 09:31:56,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c593882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:56, skipping insertion in model container [2021-10-28 09:31:56,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:56" (3/3) ... [2021-10-28 09:31:56,929 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2021-10-28 09:31:56,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:31:56,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:31:56,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:31:57,005 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 [2021-10-28 09:31:57,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:31:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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) [2021-10-28 09:31:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 09:31:57,042 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:57,043 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:57,045 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:57,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:57,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-10-28 09:31:57,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:57,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441417127] [2021-10-28 09:31:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:57,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:57,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:57,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441417127] [2021-10-28 09:31:57,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441417127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:57,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:57,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:57,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942559984] [2021-10-28 09:31:57,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:57,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:57,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:57,514 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-10-28 09:31:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:57,884 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-10-28 09:31:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:57,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-10-28 09:31:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:57,900 INFO L225 Difference]: With dead ends: 328 [2021-10-28 09:31:57,908 INFO L226 Difference]: Without dead ends: 175 [2021-10-28 09:31:57,912 INFO L786 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 [2021-10-28 09:31:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-28 09:31:58,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-10-28 09:31:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 states have internal predecessors, (275), 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) [2021-10-28 09:31:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-10-28 09:31:58,006 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-10-28 09:31:58,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:58,007 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-10-28 09:31:58,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-10-28 09:31:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-10-28 09:31:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-28 09:31:58,010 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:58,010 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:58,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:31:58,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:58,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:58,012 INFO L85 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-10-28 09:31:58,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:58,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065854629] [2021-10-28 09:31:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:58,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:58,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:58,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065854629] [2021-10-28 09:31:58,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065854629] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:58,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:58,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:58,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224211015] [2021-10-28 09:31:58,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:58,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:58,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:58,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:58,096 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-28 09:31:58,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:58,350 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-10-28 09:31:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:58,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-10-28 09:31:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:58,359 INFO L225 Difference]: With dead ends: 380 [2021-10-28 09:31:58,360 INFO L226 Difference]: Without dead ends: 216 [2021-10-28 09:31:58,364 INFO L786 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 [2021-10-28 09:31:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-28 09:31:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-10-28 09:31:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 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) [2021-10-28 09:31:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-10-28 09:31:58,390 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-10-28 09:31:58,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:58,391 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-10-28 09:31:58,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-28 09:31:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-10-28 09:31:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-28 09:31:58,394 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:58,395 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:58,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:31:58,395 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:58,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:58,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2071968837, now seen corresponding path program 1 times [2021-10-28 09:31:58,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:58,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492980148] [2021-10-28 09:31:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:58,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:58,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:58,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492980148] [2021-10-28 09:31:58,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492980148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:58,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:58,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:58,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37778124] [2021-10-28 09:31:58,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:58,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:58,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:58,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:58,507 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-28 09:31:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:58,692 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-10-28 09:31:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:58,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 [2021-10-28 09:31:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:58,695 INFO L225 Difference]: With dead ends: 445 [2021-10-28 09:31:58,696 INFO L226 Difference]: Without dead ends: 242 [2021-10-28 09:31:58,697 INFO L786 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 [2021-10-28 09:31:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-28 09:31:58,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-10-28 09:31:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 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) [2021-10-28 09:31:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-10-28 09:31:58,715 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-10-28 09:31:58,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:58,716 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-10-28 09:31:58,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-28 09:31:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-10-28 09:31:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:31:58,721 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:58,722 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:58,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:31:58,722 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:58,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:58,723 INFO L85 PathProgramCache]: Analyzing trace with hash -947039589, now seen corresponding path program 1 times [2021-10-28 09:31:58,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:58,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767203488] [2021-10-28 09:31:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:58,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:31:58,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:58,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767203488] [2021-10-28 09:31:58,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767203488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:58,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:58,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:58,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122257345] [2021-10-28 09:31:58,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:58,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:58,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:58,792 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-10-28 09:31:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:58,931 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-10-28 09:31:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:58,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 84 [2021-10-28 09:31:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:58,935 INFO L225 Difference]: With dead ends: 493 [2021-10-28 09:31:58,935 INFO L226 Difference]: Without dead ends: 259 [2021-10-28 09:31:58,936 INFO L786 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 [2021-10-28 09:31:58,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-28 09:31:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-10-28 09:31:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 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) [2021-10-28 09:31:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-10-28 09:31:58,952 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-10-28 09:31:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:58,953 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-10-28 09:31:58,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-10-28 09:31:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-10-28 09:31:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:31:58,957 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:58,958 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:58,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:31:58,958 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:58,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1168944985, now seen corresponding path program 1 times [2021-10-28 09:31:58,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:58,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455678388] [2021-10-28 09:31:58,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:58,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:59,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:59,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455678388] [2021-10-28 09:31:59,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455678388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:59,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:59,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:59,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916339374] [2021-10-28 09:31:59,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:59,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:59,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:59,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:59,037 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-10-28 09:31:59,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:59,254 INFO L93 Difference]: Finished difference Result 552 states and 931 transitions. [2021-10-28 09:31:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:59,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2021-10-28 09:31:59,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:59,257 INFO L225 Difference]: With dead ends: 552 [2021-10-28 09:31:59,258 INFO L226 Difference]: Without dead ends: 303 [2021-10-28 09:31:59,258 INFO L786 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 [2021-10-28 09:31:59,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-10-28 09:31:59,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2021-10-28 09:31:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 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) [2021-10-28 09:31:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-10-28 09:31:59,271 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-10-28 09:31:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:59,271 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-10-28 09:31:59,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-10-28 09:31:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-10-28 09:31:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:31:59,275 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:59,276 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:59,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:31:59,276 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:59,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2129818626, now seen corresponding path program 1 times [2021-10-28 09:31:59,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:59,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727605457] [2021-10-28 09:31:59,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:59,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:31:59,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:59,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727605457] [2021-10-28 09:31:59,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727605457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:59,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:59,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:59,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835767299] [2021-10-28 09:31:59,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:59,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:59,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:59,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:59,322 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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) [2021-10-28 09:31:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:59,468 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-10-28 09:31:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:59,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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 85 [2021-10-28 09:31:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:59,479 INFO L225 Difference]: With dead ends: 592 [2021-10-28 09:31:59,479 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 09:31:59,480 INFO L786 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 [2021-10-28 09:31:59,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 09:31:59,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-10-28 09:31:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 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) [2021-10-28 09:31:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-10-28 09:31:59,494 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-10-28 09:31:59,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:59,495 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-10-28 09:31:59,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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) [2021-10-28 09:31:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-10-28 09:31:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 09:31:59,497 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:59,497 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:59,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:31:59,497 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:59,498 INFO L85 PathProgramCache]: Analyzing trace with hash -122958423, now seen corresponding path program 1 times [2021-10-28 09:31:59,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:59,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71986527] [2021-10-28 09:31:59,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:59,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:59,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:59,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71986527] [2021-10-28 09:31:59,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71986527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:59,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:59,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:59,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599170357] [2021-10-28 09:31:59,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:59,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:59,564 INFO L87 Difference]: Start difference. First operand 299 states and 501 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) [2021-10-28 09:31:59,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:59,724 INFO L93 Difference]: Finished difference Result 594 states and 995 transitions. [2021-10-28 09:31:59,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:59,724 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 85 [2021-10-28 09:31:59,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:59,727 INFO L225 Difference]: With dead ends: 594 [2021-10-28 09:31:59,727 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 09:31:59,728 INFO L786 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 [2021-10-28 09:31:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 09:31:59,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2021-10-28 09:31:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 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) [2021-10-28 09:31:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-10-28 09:31:59,741 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-10-28 09:31:59,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:59,741 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-10-28 09:31:59,741 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) [2021-10-28 09:31:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-10-28 09:31:59,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-28 09:31:59,743 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:59,743 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:59,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:31:59,744 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:59,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:59,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1553184093, now seen corresponding path program 1 times [2021-10-28 09:31:59,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:59,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129210094] [2021-10-28 09:31:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:59,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 09:31:59,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:59,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129210094] [2021-10-28 09:31:59,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129210094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:59,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:59,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:59,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942744658] [2021-10-28 09:31:59,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:59,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:59,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:59,823 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-10-28 09:31:59,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:59,930 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-10-28 09:31:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:59,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 97 [2021-10-28 09:31:59,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:59,933 INFO L225 Difference]: With dead ends: 595 [2021-10-28 09:31:59,933 INFO L226 Difference]: Without dead ends: 306 [2021-10-28 09:31:59,934 INFO L786 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 [2021-10-28 09:31:59,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-28 09:31:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-28 09:31:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 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) [2021-10-28 09:31:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-10-28 09:31:59,949 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-10-28 09:31:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:59,949 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-10-28 09:31:59,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-10-28 09:31:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-10-28 09:31:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-28 09:31:59,951 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:59,951 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:59,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:31:59,951 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2083521026, now seen corresponding path program 1 times [2021-10-28 09:31:59,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:59,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176879885] [2021-10-28 09:31:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:59,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:32:00,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176879885] [2021-10-28 09:32:00,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176879885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184175190] [2021-10-28 09:32:00,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:00,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:00,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:00,046 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-10-28 09:32:00,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:00,182 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-10-28 09:32:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:00,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 [2021-10-28 09:32:00,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:00,187 INFO L225 Difference]: With dead ends: 635 [2021-10-28 09:32:00,189 INFO L226 Difference]: Without dead ends: 337 [2021-10-28 09:32:00,191 INFO L786 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 [2021-10-28 09:32:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-28 09:32:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-28 09:32:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 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) [2021-10-28 09:32:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-10-28 09:32:00,206 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-10-28 09:32:00,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:00,207 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-10-28 09:32:00,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-10-28 09:32:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-10-28 09:32:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 09:32:00,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:00,209 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:00,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:32:00,209 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:00,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:00,210 INFO L85 PathProgramCache]: Analyzing trace with hash -102460539, now seen corresponding path program 1 times [2021-10-28 09:32:00,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:00,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347974390] [2021-10-28 09:32:00,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:00,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:32:00,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347974390] [2021-10-28 09:32:00,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347974390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140988201] [2021-10-28 09:32:00,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:00,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:00,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:00,270 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-28 09:32:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:00,403 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-10-28 09:32:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:00,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 99 [2021-10-28 09:32:00,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:00,406 INFO L225 Difference]: With dead ends: 664 [2021-10-28 09:32:00,406 INFO L226 Difference]: Without dead ends: 337 [2021-10-28 09:32:00,407 INFO L786 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 [2021-10-28 09:32:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-28 09:32:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-28 09:32:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 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) [2021-10-28 09:32:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-10-28 09:32:00,421 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-10-28 09:32:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:00,422 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-10-28 09:32:00,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-28 09:32:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-10-28 09:32:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-28 09:32:00,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:00,425 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:00,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:32:00,425 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash -651386898, now seen corresponding path program 1 times [2021-10-28 09:32:00,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:00,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776395880] [2021-10-28 09:32:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:00,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:32:00,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776395880] [2021-10-28 09:32:00,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776395880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358467193] [2021-10-28 09:32:00,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:00,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:00,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:00,493 INFO L87 Difference]: Start difference. First operand 335 states and 545 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) [2021-10-28 09:32:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:00,618 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-10-28 09:32:00,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:00,619 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 100 [2021-10-28 09:32:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:00,621 INFO L225 Difference]: With dead ends: 697 [2021-10-28 09:32:00,622 INFO L226 Difference]: Without dead ends: 370 [2021-10-28 09:32:00,622 INFO L786 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 [2021-10-28 09:32:00,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-28 09:32:00,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-28 09:32:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 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) [2021-10-28 09:32:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-10-28 09:32:00,638 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-10-28 09:32:00,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:00,638 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-10-28 09:32:00,639 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) [2021-10-28 09:32:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-10-28 09:32:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-28 09:32:00,640 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:00,641 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-10-28 09:32:00,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:32:00,641 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:00,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:00,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1258189035, now seen corresponding path program 1 times [2021-10-28 09:32:00,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:00,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597923813] [2021-10-28 09:32:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:00,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:32:00,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597923813] [2021-10-28 09:32:00,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597923813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859740453] [2021-10-28 09:32:00,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:00,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:00,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:00,679 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-10-28 09:32:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:00,859 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-10-28 09:32:00,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:00,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 101 [2021-10-28 09:32:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:00,869 INFO L225 Difference]: With dead ends: 724 [2021-10-28 09:32:00,869 INFO L226 Difference]: Without dead ends: 370 [2021-10-28 09:32:00,870 INFO L786 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 [2021-10-28 09:32:00,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-28 09:32:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-28 09:32:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 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) [2021-10-28 09:32:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-10-28 09:32:00,890 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-10-28 09:32:00,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:00,891 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-10-28 09:32:00,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-10-28 09:32:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-10-28 09:32:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-28 09:32:00,893 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:00,893 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:00,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:32:00,894 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:00,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1027805126, now seen corresponding path program 1 times [2021-10-28 09:32:00,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:00,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044592476] [2021-10-28 09:32:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:00,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:32:00,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:00,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044592476] [2021-10-28 09:32:00,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044592476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:00,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:00,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:00,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992328349] [2021-10-28 09:32:00,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:00,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:00,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:00,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:00,948 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-10-28 09:32:01,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:01,091 INFO L93 Difference]: Finished difference Result 742 states and 1195 transitions. [2021-10-28 09:32:01,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:01,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 105 [2021-10-28 09:32:01,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:01,095 INFO L225 Difference]: With dead ends: 742 [2021-10-28 09:32:01,095 INFO L226 Difference]: Without dead ends: 388 [2021-10-28 09:32:01,096 INFO L786 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 [2021-10-28 09:32:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-28 09:32:01,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-10-28 09:32:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 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) [2021-10-28 09:32:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-10-28 09:32:01,120 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-10-28 09:32:01,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:01,120 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-10-28 09:32:01,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-10-28 09:32:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-10-28 09:32:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 09:32:01,123 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:01,124 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:01,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:32:01,124 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1570072403, now seen corresponding path program 1 times [2021-10-28 09:32:01,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:01,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21203882] [2021-10-28 09:32:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:01,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:32:01,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:01,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21203882] [2021-10-28 09:32:01,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21203882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:01,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:01,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:01,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242724385] [2021-10-28 09:32:01,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:01,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:01,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:01,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:01,181 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-28 09:32:01,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:01,321 INFO L93 Difference]: Finished difference Result 763 states and 1218 transitions. [2021-10-28 09:32:01,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:01,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 106 [2021-10-28 09:32:01,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:01,325 INFO L225 Difference]: With dead ends: 763 [2021-10-28 09:32:01,325 INFO L226 Difference]: Without dead ends: 388 [2021-10-28 09:32:01,327 INFO L786 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 [2021-10-28 09:32:01,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-28 09:32:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-10-28 09:32:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 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) [2021-10-28 09:32:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-10-28 09:32:01,345 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-10-28 09:32:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:01,345 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-10-28 09:32:01,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-10-28 09:32:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-10-28 09:32:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 09:32:01,347 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:01,348 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:01,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:32:01,348 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:01,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:01,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2021-10-28 09:32:01,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:01,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667672912] [2021-10-28 09:32:01,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:01,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-28 09:32:01,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:01,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667672912] [2021-10-28 09:32:01,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667672912] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:01,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:01,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:01,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591440926] [2021-10-28 09:32:01,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:01,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:01,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:01,404 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-10-28 09:32:01,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:01,454 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2021-10-28 09:32:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:01,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 121 [2021-10-28 09:32:01,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:01,460 INFO L225 Difference]: With dead ends: 758 [2021-10-28 09:32:01,461 INFO L226 Difference]: Without dead ends: 756 [2021-10-28 09:32:01,463 INFO L786 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 [2021-10-28 09:32:01,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-10-28 09:32:01,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2021-10-28 09:32:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.5841059602649006) internal successors, (1196), 755 states have internal predecessors, (1196), 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) [2021-10-28 09:32:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2021-10-28 09:32:01,500 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2021-10-28 09:32:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:01,501 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2021-10-28 09:32:01,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-10-28 09:32:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2021-10-28 09:32:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 09:32:01,504 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:01,505 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:01,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:32:01,505 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:01,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:01,506 INFO L85 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2021-10-28 09:32:01,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:01,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565043442] [2021-10-28 09:32:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:01,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 09:32:01,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:01,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565043442] [2021-10-28 09:32:01,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565043442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:01,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:01,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:01,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849340992] [2021-10-28 09:32:01,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:01,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:01,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:01,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:01,577 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-10-28 09:32:01,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:01,644 INFO L93 Difference]: Finished difference Result 1872 states and 2964 transitions. [2021-10-28 09:32:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:01,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 122 [2021-10-28 09:32:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:01,652 INFO L225 Difference]: With dead ends: 1872 [2021-10-28 09:32:01,652 INFO L226 Difference]: Without dead ends: 1124 [2021-10-28 09:32:01,679 INFO L786 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 [2021-10-28 09:32:01,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2021-10-28 09:32:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2021-10-28 09:32:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1123 states have (on average 1.5823686553873553) internal successors, (1777), 1123 states have internal predecessors, (1777), 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) [2021-10-28 09:32:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1777 transitions. [2021-10-28 09:32:01,737 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1777 transitions. Word has length 122 [2021-10-28 09:32:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:01,737 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 1777 transitions. [2021-10-28 09:32:01,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-10-28 09:32:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1777 transitions. [2021-10-28 09:32:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 09:32:01,741 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:01,742 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:01,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:32:01,742 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:01,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2021-10-28 09:32:01,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:01,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878089805] [2021-10-28 09:32:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:01,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-28 09:32:01,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:01,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878089805] [2021-10-28 09:32:01,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878089805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:01,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:01,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:01,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990361436] [2021-10-28 09:32:01,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:01,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:01,784 INFO L87 Difference]: Start difference. First operand 1124 states and 1777 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-10-28 09:32:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:01,856 INFO L93 Difference]: Finished difference Result 2591 states and 4097 transitions. [2021-10-28 09:32:01,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:01,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 122 [2021-10-28 09:32:01,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:01,866 INFO L225 Difference]: With dead ends: 2591 [2021-10-28 09:32:01,866 INFO L226 Difference]: Without dead ends: 1475 [2021-10-28 09:32:01,870 INFO L786 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 [2021-10-28 09:32:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-10-28 09:32:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-10-28 09:32:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.5793758480325644) internal successors, (2328), 1474 states have internal predecessors, (2328), 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) [2021-10-28 09:32:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2328 transitions. [2021-10-28 09:32:01,944 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2328 transitions. Word has length 122 [2021-10-28 09:32:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:01,945 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2328 transitions. [2021-10-28 09:32:01,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-10-28 09:32:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2328 transitions. [2021-10-28 09:32:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-28 09:32:01,950 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:01,951 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:01,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:32:01,951 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:01,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1566103125, now seen corresponding path program 1 times [2021-10-28 09:32:01,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:01,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472174945] [2021-10-28 09:32:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:01,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:32:01,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:01,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472174945] [2021-10-28 09:32:01,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472174945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:01,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:01,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:01,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129728260] [2021-10-28 09:32:01,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:01,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:01,995 INFO L87 Difference]: Start difference. First operand 1475 states and 2328 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2021-10-28 09:32:02,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:02,218 INFO L93 Difference]: Finished difference Result 2982 states and 4692 transitions. [2021-10-28 09:32:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:02,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 159 [2021-10-28 09:32:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:02,228 INFO L225 Difference]: With dead ends: 2982 [2021-10-28 09:32:02,228 INFO L226 Difference]: Without dead ends: 1515 [2021-10-28 09:32:02,231 INFO L786 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 [2021-10-28 09:32:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2021-10-28 09:32:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1475. [2021-10-28 09:32:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.4816824966078697) internal successors, (2184), 1474 states have internal predecessors, (2184), 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) [2021-10-28 09:32:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2184 transitions. [2021-10-28 09:32:02,325 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2184 transitions. Word has length 159 [2021-10-28 09:32:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:02,325 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2184 transitions. [2021-10-28 09:32:02,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2021-10-28 09:32:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2184 transitions. [2021-10-28 09:32:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-28 09:32:02,331 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:02,331 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:02,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:32:02,332 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1636228969, now seen corresponding path program 1 times [2021-10-28 09:32:02,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:02,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314649740] [2021-10-28 09:32:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:02,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 09:32:02,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:02,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314649740] [2021-10-28 09:32:02,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314649740] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:02,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:02,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:02,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019593559] [2021-10-28 09:32:02,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:02,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:02,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:02,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:02,393 INFO L87 Difference]: Start difference. First operand 1475 states and 2184 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2021-10-28 09:32:02,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:02,614 INFO L93 Difference]: Finished difference Result 3138 states and 4656 transitions. [2021-10-28 09:32:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:02,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 159 [2021-10-28 09:32:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:02,624 INFO L225 Difference]: With dead ends: 3138 [2021-10-28 09:32:02,625 INFO L226 Difference]: Without dead ends: 1671 [2021-10-28 09:32:02,627 INFO L786 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 [2021-10-28 09:32:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2021-10-28 09:32:02,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1555. [2021-10-28 09:32:02,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1554 states have (on average 1.444015444015444) internal successors, (2244), 1554 states have internal predecessors, (2244), 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) [2021-10-28 09:32:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2244 transitions. [2021-10-28 09:32:02,705 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2244 transitions. Word has length 159 [2021-10-28 09:32:02,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:02,705 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2244 transitions. [2021-10-28 09:32:02,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2021-10-28 09:32:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2244 transitions. [2021-10-28 09:32:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-28 09:32:02,711 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:02,712 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:02,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 09:32:02,712 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:02,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:02,713 INFO L85 PathProgramCache]: Analyzing trace with hash 442177989, now seen corresponding path program 1 times [2021-10-28 09:32:02,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:02,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526956701] [2021-10-28 09:32:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:02,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-28 09:32:02,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:02,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526956701] [2021-10-28 09:32:02,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526956701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:02,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:02,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:02,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441728855] [2021-10-28 09:32:02,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:02,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:02,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:02,774 INFO L87 Difference]: Start difference. First operand 1555 states and 2244 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-10-28 09:32:02,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:02,985 INFO L93 Difference]: Finished difference Result 3158 states and 4542 transitions. [2021-10-28 09:32:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:02,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 173 [2021-10-28 09:32:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:02,995 INFO L225 Difference]: With dead ends: 3158 [2021-10-28 09:32:02,995 INFO L226 Difference]: Without dead ends: 1611 [2021-10-28 09:32:02,998 INFO L786 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 [2021-10-28 09:32:03,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-10-28 09:32:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1555. [2021-10-28 09:32:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1554 states have (on average 1.404118404118404) internal successors, (2182), 1554 states have internal predecessors, (2182), 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) [2021-10-28 09:32:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2182 transitions. [2021-10-28 09:32:03,108 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2182 transitions. Word has length 173 [2021-10-28 09:32:03,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:03,109 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2182 transitions. [2021-10-28 09:32:03,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-10-28 09:32:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2182 transitions. [2021-10-28 09:32:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-28 09:32:03,118 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:03,118 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:03,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:32:03,119 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:03,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash 893492071, now seen corresponding path program 1 times [2021-10-28 09:32:03,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:03,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048959954] [2021-10-28 09:32:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:03,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 09:32:03,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:03,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048959954] [2021-10-28 09:32:03,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048959954] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:03,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:03,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:03,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488423302] [2021-10-28 09:32:03,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:03,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:03,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:03,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:03,177 INFO L87 Difference]: Start difference. First operand 1555 states and 2182 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-10-28 09:32:03,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:03,348 INFO L93 Difference]: Finished difference Result 3187 states and 4459 transitions. [2021-10-28 09:32:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:03,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 189 [2021-10-28 09:32:03,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:03,360 INFO L225 Difference]: With dead ends: 3187 [2021-10-28 09:32:03,360 INFO L226 Difference]: Without dead ends: 1640 [2021-10-28 09:32:03,362 INFO L786 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 [2021-10-28 09:32:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2021-10-28 09:32:03,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2021-10-28 09:32:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1623 states have (on average 1.3961799137399877) internal successors, (2266), 1623 states have internal predecessors, (2266), 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) [2021-10-28 09:32:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2266 transitions. [2021-10-28 09:32:03,440 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2266 transitions. Word has length 189 [2021-10-28 09:32:03,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:03,441 INFO L470 AbstractCegarLoop]: Abstraction has 1624 states and 2266 transitions. [2021-10-28 09:32:03,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-10-28 09:32:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2266 transitions. [2021-10-28 09:32:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-28 09:32:03,446 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:03,447 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:03,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 09:32:03,447 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:03,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:03,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1767840956, now seen corresponding path program 1 times [2021-10-28 09:32:03,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:03,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610684081] [2021-10-28 09:32:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:03,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-10-28 09:32:03,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:03,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610684081] [2021-10-28 09:32:03,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610684081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:03,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:03,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:03,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32264293] [2021-10-28 09:32:03,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:03,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:03,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:03,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:03,501 INFO L87 Difference]: Start difference. First operand 1624 states and 2266 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2021-10-28 09:32:03,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:03,693 INFO L93 Difference]: Finished difference Result 3392 states and 4736 transitions. [2021-10-28 09:32:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:03,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 210 [2021-10-28 09:32:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:03,706 INFO L225 Difference]: With dead ends: 3392 [2021-10-28 09:32:03,706 INFO L226 Difference]: Without dead ends: 1776 [2021-10-28 09:32:03,709 INFO L786 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 [2021-10-28 09:32:03,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2021-10-28 09:32:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1724. [2021-10-28 09:32:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.3847939640162508) internal successors, (2386), 1723 states have internal predecessors, (2386), 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) [2021-10-28 09:32:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2386 transitions. [2021-10-28 09:32:03,790 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2386 transitions. Word has length 210 [2021-10-28 09:32:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:03,791 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2386 transitions. [2021-10-28 09:32:03,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2021-10-28 09:32:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2386 transitions. [2021-10-28 09:32:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-28 09:32:03,798 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:03,799 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:03,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 09:32:03,799 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1550608766, now seen corresponding path program 1 times [2021-10-28 09:32:03,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:03,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750559261] [2021-10-28 09:32:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:03,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-28 09:32:03,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:03,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750559261] [2021-10-28 09:32:03,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750559261] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:03,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:03,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:03,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344316902] [2021-10-28 09:32:03,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:03,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:03,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:03,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:03,869 INFO L87 Difference]: Start difference. First operand 1724 states and 2386 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 09:32:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:04,091 INFO L93 Difference]: Finished difference Result 3494 states and 4822 transitions. [2021-10-28 09:32:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:04,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 213 [2021-10-28 09:32:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:04,102 INFO L225 Difference]: With dead ends: 3494 [2021-10-28 09:32:04,102 INFO L226 Difference]: Without dead ends: 1778 [2021-10-28 09:32:04,105 INFO L786 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 [2021-10-28 09:32:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2021-10-28 09:32:04,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1724. [2021-10-28 09:32:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.380150899593732) internal successors, (2378), 1723 states have internal predecessors, (2378), 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) [2021-10-28 09:32:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2378 transitions. [2021-10-28 09:32:04,180 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2378 transitions. Word has length 213 [2021-10-28 09:32:04,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:04,181 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2378 transitions. [2021-10-28 09:32:04,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 09:32:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2378 transitions. [2021-10-28 09:32:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-28 09:32:04,187 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:04,189 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:04,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 09:32:04,189 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:04,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:04,191 INFO L85 PathProgramCache]: Analyzing trace with hash -615950364, now seen corresponding path program 1 times [2021-10-28 09:32:04,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:04,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536582584] [2021-10-28 09:32:04,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:04,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-10-28 09:32:04,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:04,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536582584] [2021-10-28 09:32:04,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536582584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:04,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:04,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:04,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371100795] [2021-10-28 09:32:04,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:04,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:04,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:04,257 INFO L87 Difference]: Start difference. First operand 1724 states and 2378 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2021-10-28 09:32:04,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:04,463 INFO L93 Difference]: Finished difference Result 3636 states and 5036 transitions. [2021-10-28 09:32:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:04,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 234 [2021-10-28 09:32:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:04,475 INFO L225 Difference]: With dead ends: 3636 [2021-10-28 09:32:04,475 INFO L226 Difference]: Without dead ends: 1820 [2021-10-28 09:32:04,478 INFO L786 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 [2021-10-28 09:32:04,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2021-10-28 09:32:04,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1780. [2021-10-28 09:32:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1779 states have (on average 1.3614390106801575) internal successors, (2422), 1779 states have internal predecessors, (2422), 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) [2021-10-28 09:32:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2422 transitions. [2021-10-28 09:32:04,586 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2422 transitions. Word has length 234 [2021-10-28 09:32:04,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:04,587 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2422 transitions. [2021-10-28 09:32:04,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2021-10-28 09:32:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2422 transitions. [2021-10-28 09:32:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-28 09:32:04,594 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:04,594 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:04,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 09:32:04,594 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:04,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1751905145, now seen corresponding path program 1 times [2021-10-28 09:32:04,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:04,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337886386] [2021-10-28 09:32:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:04,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-10-28 09:32:04,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:04,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337886386] [2021-10-28 09:32:04,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337886386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:04,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:04,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:04,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443899795] [2021-10-28 09:32:04,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:04,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:04,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:04,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:04,674 INFO L87 Difference]: Start difference. First operand 1780 states and 2422 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2021-10-28 09:32:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:04,852 INFO L93 Difference]: Finished difference Result 3584 states and 4884 transitions. [2021-10-28 09:32:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:04,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 236 [2021-10-28 09:32:04,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:04,865 INFO L225 Difference]: With dead ends: 3584 [2021-10-28 09:32:04,865 INFO L226 Difference]: Without dead ends: 1812 [2021-10-28 09:32:04,868 INFO L786 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 [2021-10-28 09:32:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2021-10-28 09:32:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1780. [2021-10-28 09:32:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1779 states have (on average 1.3501967397414278) internal successors, (2402), 1779 states have internal predecessors, (2402), 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) [2021-10-28 09:32:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2402 transitions. [2021-10-28 09:32:04,958 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2402 transitions. Word has length 236 [2021-10-28 09:32:04,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:04,958 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2402 transitions. [2021-10-28 09:32:04,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2021-10-28 09:32:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2402 transitions. [2021-10-28 09:32:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-28 09:32:04,966 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:04,966 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:04,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 09:32:04,967 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:04,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash 264243297, now seen corresponding path program 1 times [2021-10-28 09:32:04,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:04,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002093579] [2021-10-28 09:32:04,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:04,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-28 09:32:05,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:05,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002093579] [2021-10-28 09:32:05,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002093579] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:05,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205731864] [2021-10-28 09:32:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:05,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:05,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:05,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:32:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:05,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:32:05,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-28 09:32:05,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205731864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:05,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:32:05,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:32:05,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293545601] [2021-10-28 09:32:05,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:05,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:05,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:05,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:05,864 INFO L87 Difference]: Start difference. First operand 1780 states and 2402 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2021-10-28 09:32:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:05,942 INFO L93 Difference]: Finished difference Result 3574 states and 4830 transitions. [2021-10-28 09:32:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:05,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 246 [2021-10-28 09:32:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:05,956 INFO L225 Difference]: With dead ends: 3574 [2021-10-28 09:32:05,956 INFO L226 Difference]: Without dead ends: 2235 [2021-10-28 09:32:05,959 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:05,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2021-10-28 09:32:06,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2235. [2021-10-28 09:32:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 2234 states have (on average 1.3504923903312445) internal successors, (3017), 2234 states have internal predecessors, (3017), 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) [2021-10-28 09:32:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3017 transitions. [2021-10-28 09:32:06,047 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3017 transitions. Word has length 246 [2021-10-28 09:32:06,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:06,048 INFO L470 AbstractCegarLoop]: Abstraction has 2235 states and 3017 transitions. [2021-10-28 09:32:06,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2021-10-28 09:32:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3017 transitions. [2021-10-28 09:32:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 09:32:06,056 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:06,058 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:06,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:06,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:06,279 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:06,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:06,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2021-10-28 09:32:06,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:06,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482900941] [2021-10-28 09:32:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:06,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 09:32:06,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:06,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482900941] [2021-10-28 09:32:06,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482900941] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:06,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696061506] [2021-10-28 09:32:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:06,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:06,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:06,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:06,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:32:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:06,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:06,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 09:32:07,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696061506] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:07,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:07,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:32:07,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339327344] [2021-10-28 09:32:07,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:07,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:07,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:07,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:07,127 INFO L87 Difference]: Start difference. First operand 2235 states and 3017 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2021-10-28 09:32:07,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:07,557 INFO L93 Difference]: Finished difference Result 7149 states and 9661 transitions. [2021-10-28 09:32:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:07,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 253 [2021-10-28 09:32:07,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:07,590 INFO L225 Difference]: With dead ends: 7149 [2021-10-28 09:32:07,598 INFO L226 Difference]: Without dead ends: 4922 [2021-10-28 09:32:07,602 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2021-10-28 09:32:07,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 2780. [2021-10-28 09:32:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2779 states have (on average 1.3195394026628284) internal successors, (3667), 2779 states have internal predecessors, (3667), 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) [2021-10-28 09:32:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3667 transitions. [2021-10-28 09:32:07,733 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3667 transitions. Word has length 253 [2021-10-28 09:32:07,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:07,733 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 3667 transitions. [2021-10-28 09:32:07,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2021-10-28 09:32:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3667 transitions. [2021-10-28 09:32:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 09:32:07,742 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:07,743 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:07,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:07,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-28 09:32:07,968 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash -864790669, now seen corresponding path program 1 times [2021-10-28 09:32:07,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:07,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593805139] [2021-10-28 09:32:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:07,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-10-28 09:32:08,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:08,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593805139] [2021-10-28 09:32:08,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593805139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:08,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:08,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:08,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14141384] [2021-10-28 09:32:08,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:08,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:08,020 INFO L87 Difference]: Start difference. First operand 2780 states and 3667 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-10-28 09:32:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:08,172 INFO L93 Difference]: Finished difference Result 7809 states and 10357 transitions. [2021-10-28 09:32:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:08,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 253 [2021-10-28 09:32:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:08,188 INFO L225 Difference]: With dead ends: 7809 [2021-10-28 09:32:08,188 INFO L226 Difference]: Without dead ends: 5037 [2021-10-28 09:32:08,194 INFO L786 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 [2021-10-28 09:32:08,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2021-10-28 09:32:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 5035. [2021-10-28 09:32:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.3283671036948748) internal successors, (6687), 5034 states have internal predecessors, (6687), 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) [2021-10-28 09:32:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6687 transitions. [2021-10-28 09:32:08,413 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6687 transitions. Word has length 253 [2021-10-28 09:32:08,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:08,413 INFO L470 AbstractCegarLoop]: Abstraction has 5035 states and 6687 transitions. [2021-10-28 09:32:08,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-10-28 09:32:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6687 transitions. [2021-10-28 09:32:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-28 09:32:08,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:08,425 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:08,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-28 09:32:08,425 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash 52349753, now seen corresponding path program 1 times [2021-10-28 09:32:08,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838040544] [2021-10-28 09:32:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 09:32:08,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:08,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838040544] [2021-10-28 09:32:08,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838040544] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:08,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:08,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:08,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112740281] [2021-10-28 09:32:08,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:08,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:08,480 INFO L87 Difference]: Start difference. First operand 5035 states and 6687 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-10-28 09:32:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:08,781 INFO L93 Difference]: Finished difference Result 10162 states and 13482 transitions. [2021-10-28 09:32:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:08,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 256 [2021-10-28 09:32:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:08,795 INFO L225 Difference]: With dead ends: 10162 [2021-10-28 09:32:08,796 INFO L226 Difference]: Without dead ends: 5135 [2021-10-28 09:32:08,803 INFO L786 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 [2021-10-28 09:32:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2021-10-28 09:32:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5035. [2021-10-28 09:32:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.3112832737385778) internal successors, (6601), 5034 states have internal predecessors, (6601), 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) [2021-10-28 09:32:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6601 transitions. [2021-10-28 09:32:08,982 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6601 transitions. Word has length 256 [2021-10-28 09:32:08,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:08,983 INFO L470 AbstractCegarLoop]: Abstraction has 5035 states and 6601 transitions. [2021-10-28 09:32:08,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-10-28 09:32:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6601 transitions. [2021-10-28 09:32:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-10-28 09:32:08,993 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:08,994 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:08,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-28 09:32:08,994 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:08,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,995 INFO L85 PathProgramCache]: Analyzing trace with hash 212492165, now seen corresponding path program 1 times [2021-10-28 09:32:08,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:08,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696186444] [2021-10-28 09:32:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 09:32:09,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:09,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696186444] [2021-10-28 09:32:09,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696186444] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:09,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412511573] [2021-10-28 09:32:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:09,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:09,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:09,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:32:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:09,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:32:09,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-28 09:32:10,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412511573] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:10,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:32:10,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:32:10,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154132752] [2021-10-28 09:32:10,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:10,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:10,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:10,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:10,174 INFO L87 Difference]: Start difference. First operand 5035 states and 6601 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-10-28 09:32:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:10,465 INFO L93 Difference]: Finished difference Result 9422 states and 12426 transitions. [2021-10-28 09:32:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:10,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 282 [2021-10-28 09:32:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:10,478 INFO L225 Difference]: With dead ends: 9422 [2021-10-28 09:32:10,479 INFO L226 Difference]: Without dead ends: 5375 [2021-10-28 09:32:10,485 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:10,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2021-10-28 09:32:10,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5055. [2021-10-28 09:32:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 5054 states have (on average 1.307281361297982) internal successors, (6607), 5054 states have internal predecessors, (6607), 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) [2021-10-28 09:32:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6607 transitions. [2021-10-28 09:32:10,662 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6607 transitions. Word has length 282 [2021-10-28 09:32:10,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:10,662 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 6607 transitions. [2021-10-28 09:32:10,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-10-28 09:32:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6607 transitions. [2021-10-28 09:32:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 09:32:10,673 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:10,676 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:10,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:10,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:10,899 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:10,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:10,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1760130215, now seen corresponding path program 1 times [2021-10-28 09:32:10,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:10,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353142012] [2021-10-28 09:32:10,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:10,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 09:32:10,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:10,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353142012] [2021-10-28 09:32:10,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353142012] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:10,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278357815] [2021-10-28 09:32:10,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:10,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:10,997 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:32:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:11,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:11,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-10-28 09:32:12,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278357815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:12,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:32:12,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:32:12,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656706801] [2021-10-28 09:32:12,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:12,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:12,015 INFO L87 Difference]: Start difference. First operand 5055 states and 6607 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-10-28 09:32:12,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:12,225 INFO L93 Difference]: Finished difference Result 10102 states and 13202 transitions. [2021-10-28 09:32:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:12,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 283 [2021-10-28 09:32:12,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:12,238 INFO L225 Difference]: With dead ends: 10102 [2021-10-28 09:32:12,238 INFO L226 Difference]: Without dead ends: 5055 [2021-10-28 09:32:12,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2021-10-28 09:32:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5055. [2021-10-28 09:32:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 5054 states have (on average 1.3053027305104867) internal successors, (6597), 5054 states have internal predecessors, (6597), 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) [2021-10-28 09:32:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6597 transitions. [2021-10-28 09:32:12,462 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6597 transitions. Word has length 283 [2021-10-28 09:32:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:12,462 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 6597 transitions. [2021-10-28 09:32:12,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-10-28 09:32:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6597 transitions. [2021-10-28 09:32:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 09:32:12,474 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:12,475 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:12,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:12,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-10-28 09:32:12,699 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:12,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash 228335597, now seen corresponding path program 1 times [2021-10-28 09:32:12,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:12,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220534457] [2021-10-28 09:32:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:12,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 09:32:12,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:12,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220534457] [2021-10-28 09:32:12,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220534457] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:12,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3710877] [2021-10-28 09:32:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:12,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:12,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:32:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:13,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 09:32:13,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3710877] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:13,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:13,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:32:13,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347053564] [2021-10-28 09:32:13,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:13,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:13,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:13,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:13,947 INFO L87 Difference]: Start difference. First operand 5055 states and 6597 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 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) [2021-10-28 09:32:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:14,435 INFO L93 Difference]: Finished difference Result 11826 states and 15346 transitions. [2021-10-28 09:32:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:14,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 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 283 [2021-10-28 09:32:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:14,451 INFO L225 Difference]: With dead ends: 11826 [2021-10-28 09:32:14,451 INFO L226 Difference]: Without dead ends: 6713 [2021-10-28 09:32:14,457 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:14,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2021-10-28 09:32:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 4419. [2021-10-28 09:32:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 4418 states have (on average 1.2847442281575374) internal successors, (5676), 4418 states have internal predecessors, (5676), 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) [2021-10-28 09:32:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5676 transitions. [2021-10-28 09:32:14,638 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5676 transitions. Word has length 283 [2021-10-28 09:32:14,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:14,638 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 5676 transitions. [2021-10-28 09:32:14,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 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) [2021-10-28 09:32:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5676 transitions. [2021-10-28 09:32:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-28 09:32:14,648 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:14,648 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:14,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:14,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:14,863 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1511923228, now seen corresponding path program 1 times [2021-10-28 09:32:14,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:14,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053152841] [2021-10-28 09:32:14,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:14,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-28 09:32:14,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:14,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053152841] [2021-10-28 09:32:14,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053152841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:14,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:14,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:14,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120670178] [2021-10-28 09:32:14,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:14,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:14,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:14,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:14,934 INFO L87 Difference]: Start difference. First operand 4419 states and 5676 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-10-28 09:32:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:15,104 INFO L93 Difference]: Finished difference Result 7455 states and 9474 transitions. [2021-10-28 09:32:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:15,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 321 [2021-10-28 09:32:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:15,111 INFO L225 Difference]: With dead ends: 7455 [2021-10-28 09:32:15,111 INFO L226 Difference]: Without dead ends: 2236 [2021-10-28 09:32:15,117 INFO L786 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 [2021-10-28 09:32:15,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2021-10-28 09:32:15,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2021-10-28 09:32:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2235 states have (on average 1.2644295302013422) internal successors, (2826), 2235 states have internal predecessors, (2826), 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) [2021-10-28 09:32:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2826 transitions. [2021-10-28 09:32:15,198 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2826 transitions. Word has length 321 [2021-10-28 09:32:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:15,199 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2826 transitions. [2021-10-28 09:32:15,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2021-10-28 09:32:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2826 transitions. [2021-10-28 09:32:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-10-28 09:32:15,206 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:15,206 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:15,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-28 09:32:15,207 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash 761483812, now seen corresponding path program 1 times [2021-10-28 09:32:15,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:15,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674236465] [2021-10-28 09:32:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:15,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-10-28 09:32:15,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:15,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674236465] [2021-10-28 09:32:15,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674236465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:15,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:15,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:15,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264350150] [2021-10-28 09:32:15,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:15,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:15,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:15,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:15,299 INFO L87 Difference]: Start difference. First operand 2236 states and 2826 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-10-28 09:32:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:15,462 INFO L93 Difference]: Finished difference Result 4474 states and 5650 transitions. [2021-10-28 09:32:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:15,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 360 [2021-10-28 09:32:15,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:15,468 INFO L225 Difference]: With dead ends: 4474 [2021-10-28 09:32:15,468 INFO L226 Difference]: Without dead ends: 2246 [2021-10-28 09:32:15,470 INFO L786 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 [2021-10-28 09:32:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2021-10-28 09:32:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2236. [2021-10-28 09:32:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2235 states have (on average 1.2532438478747203) internal successors, (2801), 2235 states have internal predecessors, (2801), 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) [2021-10-28 09:32:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2801 transitions. [2021-10-28 09:32:15,549 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2801 transitions. Word has length 360 [2021-10-28 09:32:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:15,549 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2801 transitions. [2021-10-28 09:32:15,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-10-28 09:32:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2801 transitions. [2021-10-28 09:32:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-28 09:32:15,555 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:15,556 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:15,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-28 09:32:15,556 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:15,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash 35349519, now seen corresponding path program 1 times [2021-10-28 09:32:15,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:15,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409893114] [2021-10-28 09:32:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:15,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-28 09:32:15,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:15,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409893114] [2021-10-28 09:32:15,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409893114] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:15,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281327852] [2021-10-28 09:32:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:15,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:15,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:15,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:15,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 09:32:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:16,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-10-28 09:32:17,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281327852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:17,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:32:17,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:32:17,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464772698] [2021-10-28 09:32:17,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:17,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:17,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:17,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:17,169 INFO L87 Difference]: Start difference. First operand 2236 states and 2801 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-10-28 09:32:17,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:17,236 INFO L93 Difference]: Finished difference Result 2855 states and 3603 transitions. [2021-10-28 09:32:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:17,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 393 [2021-10-28 09:32:17,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:17,242 INFO L225 Difference]: With dead ends: 2855 [2021-10-28 09:32:17,243 INFO L226 Difference]: Without dead ends: 2763 [2021-10-28 09:32:17,244 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2021-10-28 09:32:17,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2146. [2021-10-28 09:32:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.2587412587412588) internal successors, (2700), 2145 states have internal predecessors, (2700), 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) [2021-10-28 09:32:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2700 transitions. [2021-10-28 09:32:17,326 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2700 transitions. Word has length 393 [2021-10-28 09:32:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:17,327 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2700 transitions. [2021-10-28 09:32:17,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-10-28 09:32:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2700 transitions. [2021-10-28 09:32:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-10-28 09:32:17,335 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:17,336 INFO L513 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:17,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:17,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:17,555 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 431667755, now seen corresponding path program 1 times [2021-10-28 09:32:17,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:17,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915017927] [2021-10-28 09:32:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:17,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-10-28 09:32:17,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:17,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915017927] [2021-10-28 09:32:17,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915017927] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:17,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468668230] [2021-10-28 09:32:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:17,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:17,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:17,669 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:17,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 09:32:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:18,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:18,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-10-28 09:32:19,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468668230] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:19,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:19,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:32:19,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624462510] [2021-10-28 09:32:19,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:19,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:19,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:19,538 INFO L87 Difference]: Start difference. First operand 2146 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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) [2021-10-28 09:32:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:19,958 INFO L93 Difference]: Finished difference Result 5212 states and 6569 transitions. [2021-10-28 09:32:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:19,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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 533 [2021-10-28 09:32:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:19,965 INFO L225 Difference]: With dead ends: 5212 [2021-10-28 09:32:19,965 INFO L226 Difference]: Without dead ends: 3032 [2021-10-28 09:32:19,968 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2021-10-28 09:32:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2206. [2021-10-28 09:32:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2205 states have (on average 1.2607709750566893) internal successors, (2780), 2205 states have internal predecessors, (2780), 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) [2021-10-28 09:32:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2780 transitions. [2021-10-28 09:32:20,079 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2780 transitions. Word has length 533 [2021-10-28 09:32:20,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:20,080 INFO L470 AbstractCegarLoop]: Abstraction has 2206 states and 2780 transitions. [2021-10-28 09:32:20,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 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) [2021-10-28 09:32:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2780 transitions. [2021-10-28 09:32:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-10-28 09:32:20,089 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:20,090 INFO L513 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:20,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:20,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:20,303 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:20,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash 316649701, now seen corresponding path program 1 times [2021-10-28 09:32:20,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:20,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333107226] [2021-10-28 09:32:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:20,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2066 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2021-10-28 09:32:20,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:20,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333107226] [2021-10-28 09:32:20,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333107226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:20,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:20,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:20,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040321821] [2021-10-28 09:32:20,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:20,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:20,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:20,439 INFO L87 Difference]: Start difference. First operand 2206 states and 2780 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2021-10-28 09:32:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:20,585 INFO L93 Difference]: Finished difference Result 4584 states and 5788 transitions. [2021-10-28 09:32:20,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:20,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 595 [2021-10-28 09:32:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:20,592 INFO L225 Difference]: With dead ends: 4584 [2021-10-28 09:32:20,592 INFO L226 Difference]: Without dead ends: 2386 [2021-10-28 09:32:20,595 INFO L786 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 [2021-10-28 09:32:20,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2021-10-28 09:32:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2376. [2021-10-28 09:32:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2375 states have (on average 1.2526315789473683) internal successors, (2975), 2375 states have internal predecessors, (2975), 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) [2021-10-28 09:32:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2975 transitions. [2021-10-28 09:32:20,676 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2975 transitions. Word has length 595 [2021-10-28 09:32:20,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:20,677 INFO L470 AbstractCegarLoop]: Abstraction has 2376 states and 2975 transitions. [2021-10-28 09:32:20,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2021-10-28 09:32:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2975 transitions. [2021-10-28 09:32:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2021-10-28 09:32:20,687 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:20,688 INFO L513 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:20,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-28 09:32:20,688 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:20,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1796704043, now seen corresponding path program 1 times [2021-10-28 09:32:20,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:20,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896480300] [2021-10-28 09:32:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:20,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4945 backedges. 2605 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2021-10-28 09:32:20,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:20,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896480300] [2021-10-28 09:32:20,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896480300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:20,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:20,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:32:20,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32171466] [2021-10-28 09:32:20,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:20,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:20,815 INFO L87 Difference]: Start difference. First operand 2376 states and 2975 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-10-28 09:32:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:21,031 INFO L93 Difference]: Finished difference Result 4739 states and 5928 transitions. [2021-10-28 09:32:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:21,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 657 [2021-10-28 09:32:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:21,037 INFO L225 Difference]: With dead ends: 4739 [2021-10-28 09:32:21,037 INFO L226 Difference]: Without dead ends: 2371 [2021-10-28 09:32:21,040 INFO L786 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 [2021-10-28 09:32:21,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2021-10-28 09:32:21,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2371. [2021-10-28 09:32:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 1.2320675105485233) internal successors, (2920), 2370 states have internal predecessors, (2920), 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) [2021-10-28 09:32:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 2920 transitions. [2021-10-28 09:32:21,122 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 2920 transitions. Word has length 657 [2021-10-28 09:32:21,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:21,123 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 2920 transitions. [2021-10-28 09:32:21,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-10-28 09:32:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2920 transitions. [2021-10-28 09:32:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2021-10-28 09:32:21,133 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:21,133 INFO L513 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:21,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-28 09:32:21,134 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:32:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash -372840571, now seen corresponding path program 1 times [2021-10-28 09:32:21,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:21,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119861678] [2021-10-28 09:32:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:21,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-10-28 09:32:21,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:21,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119861678] [2021-10-28 09:32:21,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119861678] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:21,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348219154] [2021-10-28 09:32:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:21,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:32:21,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:21,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:32:21,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:32:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:22,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:32:22,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-10-28 09:32:23,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348219154] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:32:23,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:23,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:32:23,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757915025] [2021-10-28 09:32:23,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:32:23,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:23,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:32:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:32:23,847 INFO L87 Difference]: Start difference. First operand 2371 states and 2920 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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) [2021-10-28 09:32:24,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:24,045 INFO L93 Difference]: Finished difference Result 4081 states and 5070 transitions. [2021-10-28 09:32:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:32:24,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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 723 [2021-10-28 09:32:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:24,050 INFO L225 Difference]: With dead ends: 4081 [2021-10-28 09:32:24,050 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:32:24,054 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:24,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:32:24,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:32:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-28 09:32:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:32:24,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2021-10-28 09:32:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:24,056 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:32:24,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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) [2021-10-28 09:32:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:32:24,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:32:24,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:32:24,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:24,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-10-28 09:32:24,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:32:24,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:24,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:25,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:25,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:25,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:25,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:25,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:26,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:32:37,191 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-10-28 09:32:37,191 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2021-10-28 09:32:37,192 INFO L853 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,192 INFO L853 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse2 .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse2 .cse1 .cse3))) [2021-10-28 09:32:37,192 INFO L853 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,192 INFO L853 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse9))) [2021-10-28 09:32:37,193 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2021-10-28 09:32:37,193 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-10-28 09:32:37,193 INFO L853 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,193 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-10-28 09:32:37,193 INFO L857 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 09:32:37,193 INFO L860 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2021-10-28 09:32:37,194 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2021-10-28 09:32:37,195 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2021-10-28 09:32:37,196 INFO L853 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse2 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-28 09:32:37,196 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3))) [2021-10-28 09:32:37,196 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-28 09:32:37,196 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-28 09:32:37,196 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-10-28 09:32:37,197 INFO L857 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2021-10-28 09:32:37,197 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2021-10-28 09:32:37,197 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2021-10-28 09:32:37,197 INFO L853 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse17 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse26 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (not .cse0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse28 (not .cse17)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse12 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse16 (not .cse1)) (.cse6 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse1 .cse2) (and .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse5 .cse2) (and .cse7 .cse3 .cse4 .cse6) (and .cse10 .cse11 .cse8 .cse12 .cse13 .cse14) (and .cse8 .cse15 .cse16 .cse9) (and .cse1 .cse2 .cse17) (and .cse2 .cse18) (and .cse3 .cse4 .cse6 .cse14) (and .cse19 .cse5 .cse14) (and .cse15 .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse20 .cse21 .cse22) (and .cse23 .cse24 .cse19 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse25 .cse7 .cse13 .cse26 .cse21) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse1 .cse2) (and .cse8 .cse9 .cse5 .cse2) (and .cse23 .cse24 .cse19 .cse11 .cse25 .cse13 .cse26 .cse21 .cse14) (and .cse10 .cse11 .cse27 .cse7 .cse8 .cse28 .cse12 .cse13) (and .cse8 .cse9 .cse14) (and .cse19 .cse7 .cse5) (and .cse20 .cse3 .cse4 .cse29 .cse5 .cse6) (and .cse19 .cse1 .cse5 .cse2) (and .cse15 .cse16 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse21 .cse22) (and .cse1 .cse30 .cse5 .cse2) (and .cse8 .cse16 .cse9 .cse2) (and .cse11 .cse27 .cse7 .cse8 .cse30 .cse28 .cse12 .cse13) (and .cse11 .cse8 .cse30 .cse12 .cse13 .cse14) (and .cse20 .cse3 .cse4 .cse15 .cse16 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse2) (and .cse20 .cse3 .cse4 .cse29 .cse16 .cse6)))) [2021-10-28 09:32:37,197 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2021-10-28 09:32:37,197 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2021-10-28 09:32:37,198 INFO L853 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse3) (and .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3))) [2021-10-28 09:32:37,198 INFO L853 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse10))) [2021-10-28 09:32:37,198 INFO L857 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-10-28 09:32:37,198 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2021-10-28 09:32:37,198 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2021-10-28 09:32:37,199 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2021-10-28 09:32:37,200 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2021-10-28 09:32:37,200 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2021-10-28 09:32:37,200 INFO L853 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse4 .cse0 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3))) [2021-10-28 09:32:37,200 INFO L853 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2021-10-28 09:32:37,200 INFO L860 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2021-10-28 09:32:37,200 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2021-10-28 09:32:37,201 INFO L853 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,201 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2021-10-28 09:32:37,201 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2021-10-28 09:32:37,201 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2021-10-28 09:32:37,201 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2021-10-28 09:32:37,201 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2021-10-28 09:32:37,202 INFO L857 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2021-10-28 09:32:37,202 INFO L853 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:32:37,202 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 09:32:37,202 INFO L853 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 09:32:37,202 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-10-28 09:32:37,202 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2021-10-28 09:32:37,203 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2021-10-28 09:32:37,203 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:32:37,203 INFO L853 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 09:32:37,203 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2021-10-28 09:32:37,203 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2021-10-28 09:32:37,203 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2021-10-28 09:32:37,204 INFO L857 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2021-10-28 09:32:37,205 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2021-10-28 09:32:37,206 INFO L853 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10))) [2021-10-28 09:32:37,206 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 09:32:37,206 INFO L853 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,206 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:32:37,206 INFO L860 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2021-10-28 09:32:37,207 INFO L853 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse17 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse26 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (not .cse0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse28 (not .cse17)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse12 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse16 (not .cse1)) (.cse6 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse1 .cse2) (and .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse5 .cse2) (and .cse7 .cse3 .cse4 .cse6) (and .cse10 .cse11 .cse8 .cse12 .cse13 .cse14) (and .cse8 .cse15 .cse16 .cse9) (and .cse1 .cse2 .cse17) (and .cse2 .cse18) (and .cse3 .cse4 .cse6 .cse14) (and .cse19 .cse5 .cse14) (and .cse15 .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse20 .cse21 .cse22) (and .cse23 .cse24 .cse19 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse25 .cse7 .cse13 .cse26 .cse21) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse1 .cse2) (and .cse8 .cse9 .cse5 .cse2) (and .cse23 .cse24 .cse19 .cse11 .cse25 .cse13 .cse26 .cse21 .cse14) (and .cse10 .cse11 .cse27 .cse7 .cse8 .cse28 .cse12 .cse13) (and .cse8 .cse9 .cse14) (and .cse19 .cse7 .cse5) (and .cse20 .cse3 .cse4 .cse29 .cse5 .cse6) (and .cse19 .cse1 .cse5 .cse2) (and .cse15 .cse16 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse21 .cse22) (and .cse1 .cse30 .cse5 .cse2) (and .cse8 .cse16 .cse9 .cse2) (and .cse11 .cse27 .cse7 .cse8 .cse30 .cse28 .cse12 .cse13) (and .cse11 .cse8 .cse30 .cse12 .cse13 .cse14) (and .cse20 .cse3 .cse4 .cse15 .cse16 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse2) (and .cse20 .cse3 .cse4 .cse29 .cse16 .cse6)))) [2021-10-28 09:32:37,207 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2021-10-28 09:32:37,207 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-10-28 09:32:37,207 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2021-10-28 09:32:37,207 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2021-10-28 09:32:37,208 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2021-10-28 09:32:37,209 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2021-10-28 09:32:37,210 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2021-10-28 09:32:37,210 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2021-10-28 09:32:37,210 INFO L853 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2021-10-28 09:32:37,210 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 09:32:37,210 INFO L853 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2021-10-28 09:32:37,211 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-28 09:32:37,212 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2021-10-28 09:32:37,213 INFO L853 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 09:32:37,213 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-10-28 09:32:37,213 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-10-28 09:32:37,213 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-10-28 09:32:37,213 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2021-10-28 09:32:37,214 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2021-10-28 09:32:37,214 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2021-10-28 09:32:37,214 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2021-10-28 09:32:37,214 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-28 09:32:37,214 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2021-10-28 09:32:37,217 INFO L731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:37,219 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:32:37,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:32:37 BoogieIcfgContainer [2021-10-28 09:32:37,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:32:37,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:32:37,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:32:37,301 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:32:37,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:56" (3/4) ... [2021-10-28 09:32:37,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:32:37,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:32:37,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:32:37,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:32:37,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:32:37,493 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:32:37,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:32:37,495 INFO L168 Benchmark]: Toolchain (without parser) took 42077.32 ms. Allocated memory was 107.0 MB in the beginning and 461.4 MB in the end (delta: 354.4 MB). Free memory was 75.6 MB in the beginning and 393.1 MB in the end (delta: -317.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,496 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:37,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.84 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 75.3 MB in the beginning and 125.6 MB in the end (delta: -50.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.28 ms. Allocated memory is still 155.2 MB. Free memory was 125.6 MB in the beginning and 122.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,497 INFO L168 Benchmark]: Boogie Preprocessor took 73.26 ms. Allocated memory is still 155.2 MB. Free memory was 122.7 MB in the beginning and 120.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,498 INFO L168 Benchmark]: RCFGBuilder took 828.14 ms. Allocated memory is still 155.2 MB. Free memory was 120.6 MB in the beginning and 91.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,502 INFO L168 Benchmark]: TraceAbstraction took 40382.19 ms. Allocated memory was 155.2 MB in the beginning and 461.4 MB in the end (delta: 306.2 MB). Free memory was 91.3 MB in the beginning and 404.7 MB in the end (delta: -313.4 MB). Peak memory consumption was 270.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,503 INFO L168 Benchmark]: Witness Printer took 194.24 ms. Allocated memory is still 461.4 MB. Free memory was 404.7 MB in the beginning and 393.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:37,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.84 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 75.3 MB in the beginning and 125.6 MB in the end (delta: -50.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.28 ms. Allocated memory is still 155.2 MB. Free memory was 125.6 MB in the beginning and 122.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.26 ms. Allocated memory is still 155.2 MB. Free memory was 122.7 MB in the beginning and 120.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 828.14 ms. Allocated memory is still 155.2 MB. Free memory was 120.6 MB in the beginning and 91.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40382.19 ms. Allocated memory was 155.2 MB in the beginning and 461.4 MB in the end (delta: 306.2 MB). Free memory was 91.3 MB in the beginning and 404.7 MB in the end (delta: -313.4 MB). Peak memory consumption was 270.9 MB. Max. memory is 16.1 GB. * Witness Printer took 194.24 ms. Allocated memory is still 461.4 MB. Free memory was 404.7 MB in the beginning and 393.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.2s, OverallIterations: 39, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7382 SDtfs, 4553 SDslu, 3427 SDs, 0 SdLazy, 3933 SolverSat, 1076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3121 GetRequests, 3066 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5055occurred in iteration=30, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 39 MinimizatonAttempts, 6779 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 260 NumberOfFragments, 2609 HoareAnnotationTreeSize, 28 FomulaSimplifications, 417097 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 28 FomulaSimplificationsInter, 120232 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 11577 NumberOfCodeBlocks, 11577 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 11530 ConstructedInterpolants, 0 QuantifiedInterpolants, 15349 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 47 InterpolantComputations, 35 PerfectInterpolantSequences, 44574/44754 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && 8480 <= s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && blastFlag <= 2) || ((((((((((!(8497 == s__state) && 8480 <= s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8545)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8672) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2) || (((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && 8656 <= s__state)) || (((!(s__state == 8672) && s__state <= 8672) && 8656 <= s__state) && blastFlag == 1)) || (((((!(s__state == 8672) && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((!(s__state == 8672) && s__state <= 8672) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && s__state == 8608) || (s__state == 8608 && blastFlag == 1)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 2) && 8448 <= s__state) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__state == 8544 && s__hit == 0) && blastFlag <= 2) || ((((s__state <= 8672 && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2)) || ((s__state == 8512 && s__hit == 0) && blastFlag <= 2)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || (((s__state == 8592 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8656 <= s__state)) || (((((s__state == 8592 && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && 8560 == s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((s__state <= 8672 && !(s__state == 8657)) && 8656 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8528 && s__hit == 0) && blastFlag <= 2)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((s__state == 8592 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2)) || (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || (((((!(s__state == 8561) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8656 <= s__state) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag == 1) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 2)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) && 8448 <= s__state) && s__state <= 8448) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) || ((((((!(s__state == 8561) && !(s__state == 8544)) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || ((((((((!(s__state == 8561) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8657) && !(s__state == 8656)) && !(12292 == s__state)) && 8656 <= s__state) && blastFlag == 1) || (((((blastFlag <= 3 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && !(s__hit == 0)) && 8656 <= s__state)) || ((((blastFlag == 0 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && 8656 <= s__state)) || (((((blastFlag <= 3 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) || ((((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((s__state <= 8576 && !(s__state == 8544)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) || (((((s__state <= 8576 && !(s__state == 8544)) && s__hit == 0) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2)) || ((((s__state <= 8576 && !(s__state == 8544)) && blastFlag == 0) && 8512 <= s__state) && !(s__state == 8545)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) || ((((((!(s__state == 8561) && !(s__state == 8544)) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || ((((((((!(s__state == 8561) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && blastFlag == 1) || (((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576)) || ((((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__state == 8544 && s__hit == 0) && blastFlag <= 2) || ((((s__state <= 8672 && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2)) || ((s__state == 8512 && s__hit == 0) && blastFlag <= 2)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || (((s__state == 8592 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8656 <= s__state)) || (((((s__state == 8592 && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && 8560 == s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((s__state <= 8672 && !(s__state == 8657)) && 8656 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8528 && s__hit == 0) && blastFlag <= 2)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((s__state == 8592 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2)) || (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || (((((!(s__state == 8561) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8656 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:32:37,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608be132-fed2-4147-adff-9ab1545751f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...