./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c1b0557200bb93e177956c2673df3bb0520e234 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:18:00,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:18:00,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:18:00,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:18:00,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:18:00,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:18:00,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:18:00,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:18:00,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:18:00,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:18:00,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:18:00,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:18:00,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:18:00,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:18:00,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:18:00,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:18:00,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:18:00,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:18:00,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:18:01,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:18:01,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:18:01,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:18:01,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:18:01,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:18:01,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:18:01,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:18:01,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:18:01,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:18:01,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:18:01,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:18:01,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:18:01,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:18:01,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:18:01,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:18:01,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:18:01,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:18:01,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:18:01,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:18:01,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:18:01,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:18:01,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:18:01,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-15 20:18:01,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:18:01,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:18:01,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:18:01,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:18:01,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:18:01,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:18:01,092 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:18:01,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:18:01,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:18:01,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:18:01,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:18:01,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:18:01,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:18:01,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:18:01,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:18:01,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:18:01,095 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-15 20:18:01,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:18:01,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:18:01,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:18:01,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:18:01,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:18:01,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:18:01,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:18:01,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:18:01,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:18:01,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:18:01,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:18:01,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:18:01,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:18:01,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:18:01,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:18:01,101 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_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c1b0557200bb93e177956c2673df3bb0520e234 [2021-10-15 20:18:01,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:18:01,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:18:01,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:18:01,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:18:01,436 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:18:01,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-10-15 20:18:01,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/data/d8d6108ae/8aa1c0bc130a41a2b68704d295d91a95/FLAG2e4299f77 [2021-10-15 20:18:02,004 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:18:02,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-10-15 20:18:02,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/data/d8d6108ae/8aa1c0bc130a41a2b68704d295d91a95/FLAG2e4299f77 [2021-10-15 20:18:02,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/data/d8d6108ae/8aa1c0bc130a41a2b68704d295d91a95 [2021-10-15 20:18:02,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:18:02,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:18:02,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:18:02,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:18:02,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:18:02,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151fb4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02, skipping insertion in model container [2021-10-15 20:18:02,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:18:02,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:18:02,675 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_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-10-15 20:18:02,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:18:02,690 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:18:02,782 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_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44298,44311] [2021-10-15 20:18:02,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:18:02,803 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:18:02,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02 WrapperNode [2021-10-15 20:18:02,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:18:02,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:18:02,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:18:02,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:18:02,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:18:02,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:18:02,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:18:02,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:18:02,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:18:02,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:18:02,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:18:02,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:18:02,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (1/1) ... [2021-10-15 20:18:02,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:18:03,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:03,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:18:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:18:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:18:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:18:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:18:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:18:03,202 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 20:18:03,712 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-15 20:18:03,713 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-15 20:18:03,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:18:03,722 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-15 20:18:03,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:18:03 BoogieIcfgContainer [2021-10-15 20:18:03,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:18:03,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:18:03,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:18:03,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:18:03,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:18:02" (1/3) ... [2021-10-15 20:18:03,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2669a48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:18:03, skipping insertion in model container [2021-10-15 20:18:03,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:18:02" (2/3) ... [2021-10-15 20:18:03,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2669a48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:18:03, skipping insertion in model container [2021-10-15 20:18:03,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:18:03" (3/3) ... [2021-10-15 20:18:03,734 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-10-15 20:18:03,739 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:18:03,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-10-15 20:18:03,791 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:18:03,797 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 20:18:03,798 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-15 20:18:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-15 20:18:03,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:03,839 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:03,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:03,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:03,846 INFO L82 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2021-10-15 20:18:03,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:03,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735239575] [2021-10-15 20:18:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:03,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:04,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:04,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735239575] [2021-10-15 20:18:04,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735239575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:04,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:04,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:04,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549750558] [2021-10-15 20:18:04,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:04,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:04,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:04,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:04,136 INFO L87 Difference]: Start difference. First operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:04,423 INFO L93 Difference]: Finished difference Result 324 states and 533 transitions. [2021-10-15 20:18:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:04,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-10-15 20:18:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:04,444 INFO L225 Difference]: With dead ends: 324 [2021-10-15 20:18:04,444 INFO L226 Difference]: Without dead ends: 156 [2021-10-15 20:18:04,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-10-15 20:18:04,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-10-15 20:18:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 155 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2021-10-15 20:18:04,531 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 17 [2021-10-15 20:18:04,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:04,532 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2021-10-15 20:18:04,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2021-10-15 20:18:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-15 20:18:04,535 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:04,538 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:04,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 20:18:04,539 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:04,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:04,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1356112173, now seen corresponding path program 1 times [2021-10-15 20:18:04,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:04,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228851734] [2021-10-15 20:18:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:04,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:04,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:04,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228851734] [2021-10-15 20:18:04,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228851734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:04,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:04,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:04,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85364412] [2021-10-15 20:18:04,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:04,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:04,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:04,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:04,669 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:04,827 INFO L93 Difference]: Finished difference Result 314 states and 463 transitions. [2021-10-15 20:18:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:04,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-10-15 20:18:04,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:04,830 INFO L225 Difference]: With dead ends: 314 [2021-10-15 20:18:04,831 INFO L226 Difference]: Without dead ends: 166 [2021-10-15 20:18:04,832 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-10-15 20:18:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 157. [2021-10-15 20:18:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 149 states have (on average 1.5570469798657718) internal successors, (232), 156 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2021-10-15 20:18:04,846 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 18 [2021-10-15 20:18:04,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:04,846 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2021-10-15 20:18:04,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2021-10-15 20:18:04,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-15 20:18:04,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:04,848 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:04,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 20:18:04,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:04,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:04,849 INFO L82 PathProgramCache]: Analyzing trace with hash 15331092, now seen corresponding path program 1 times [2021-10-15 20:18:04,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:04,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532045726] [2021-10-15 20:18:04,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:04,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:04,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:04,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532045726] [2021-10-15 20:18:04,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532045726] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:04,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:04,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:04,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929012676] [2021-10-15 20:18:04,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:04,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:04,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:04,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:04,899 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:05,066 INFO L93 Difference]: Finished difference Result 316 states and 465 transitions. [2021-10-15 20:18:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:05,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-10-15 20:18:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:05,070 INFO L225 Difference]: With dead ends: 316 [2021-10-15 20:18:05,071 INFO L226 Difference]: Without dead ends: 167 [2021-10-15 20:18:05,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:05,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-15 20:18:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 158. [2021-10-15 20:18:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 150 states have (on average 1.5533333333333332) internal successors, (233), 157 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 233 transitions. [2021-10-15 20:18:05,107 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 233 transitions. Word has length 19 [2021-10-15 20:18:05,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:05,108 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 233 transitions. [2021-10-15 20:18:05,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2021-10-15 20:18:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-15 20:18:05,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:05,110 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:05,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-15 20:18:05,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:05,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:05,112 INFO L82 PathProgramCache]: Analyzing trace with hash 953452818, now seen corresponding path program 1 times [2021-10-15 20:18:05,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:05,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927199048] [2021-10-15 20:18:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:05,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:05,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:05,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927199048] [2021-10-15 20:18:05,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927199048] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:05,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:05,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:05,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586921139] [2021-10-15 20:18:05,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:05,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:05,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:05,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:05,217 INFO L87 Difference]: Start difference. First operand 158 states and 233 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:05,349 INFO L93 Difference]: Finished difference Result 318 states and 467 transitions. [2021-10-15 20:18:05,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:05,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-10-15 20:18:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:05,352 INFO L225 Difference]: With dead ends: 318 [2021-10-15 20:18:05,352 INFO L226 Difference]: Without dead ends: 168 [2021-10-15 20:18:05,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:05,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-10-15 20:18:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2021-10-15 20:18:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 151 states have (on average 1.5496688741721854) internal successors, (234), 158 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) [2021-10-15 20:18:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2021-10-15 20:18:05,381 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 20 [2021-10-15 20:18:05,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:05,382 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2021-10-15 20:18:05,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2021-10-15 20:18:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-15 20:18:05,384 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:05,384 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:05,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-15 20:18:05,386 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:05,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:05,387 INFO L82 PathProgramCache]: Analyzing trace with hash -476882471, now seen corresponding path program 1 times [2021-10-15 20:18:05,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:05,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796973393] [2021-10-15 20:18:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:05,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:05,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:05,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796973393] [2021-10-15 20:18:05,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796973393] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:05,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:05,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:05,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984875775] [2021-10-15 20:18:05,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:05,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:05,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:05,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:05,483 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:05,720 INFO L93 Difference]: Finished difference Result 320 states and 469 transitions. [2021-10-15 20:18:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:05,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2021-10-15 20:18:05,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:05,722 INFO L225 Difference]: With dead ends: 320 [2021-10-15 20:18:05,722 INFO L226 Difference]: Without dead ends: 169 [2021-10-15 20:18:05,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-15 20:18:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 160. [2021-10-15 20:18:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 152 states have (on average 1.5460526315789473) internal successors, (235), 159 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 235 transitions. [2021-10-15 20:18:05,732 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 235 transitions. Word has length 21 [2021-10-15 20:18:05,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:05,732 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 235 transitions. [2021-10-15 20:18:05,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2021-10-15 20:18:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-15 20:18:05,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:05,735 INFO L512 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] [2021-10-15 20:18:05,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-15 20:18:05,736 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:05,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1380240252, now seen corresponding path program 1 times [2021-10-15 20:18:05,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:05,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064662590] [2021-10-15 20:18:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:05,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:05,753 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:05,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1891540061] [2021-10-15 20:18:05,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:05,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:05,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:05,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-15 20:18:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:05,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:18:05,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:06,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:06,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064662590] [2021-10-15 20:18:06,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:06,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891540061] [2021-10-15 20:18:06,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891540061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:06,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:06,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:06,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811845318] [2021-10-15 20:18:06,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:06,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:06,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:06,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:06,121 INFO L87 Difference]: Start difference. First operand 160 states and 235 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:06,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:06,161 INFO L93 Difference]: Finished difference Result 456 states and 673 transitions. [2021-10-15 20:18:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:06,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2021-10-15 20:18:06,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:06,164 INFO L225 Difference]: With dead ends: 456 [2021-10-15 20:18:06,165 INFO L226 Difference]: Without dead ends: 304 [2021-10-15 20:18:06,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:06,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-15 20:18:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2021-10-15 20:18:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 292 states have (on average 1.5308219178082192) internal successors, (447), 299 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 447 transitions. [2021-10-15 20:18:06,193 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 447 transitions. Word has length 40 [2021-10-15 20:18:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:06,193 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 447 transitions. [2021-10-15 20:18:06,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2021-10-15 20:18:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-15 20:18:06,197 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:06,197 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:06,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-15 20:18:06,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:06,422 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:06,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:06,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1758785265, now seen corresponding path program 1 times [2021-10-15 20:18:06,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:06,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974451904] [2021-10-15 20:18:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:06,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:06,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:06,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974451904] [2021-10-15 20:18:06,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974451904] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:06,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:06,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:06,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766089162] [2021-10-15 20:18:06,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:06,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:06,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:06,483 INFO L87 Difference]: Start difference. First operand 300 states and 447 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) [2021-10-15 20:18:06,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:06,637 INFO L93 Difference]: Finished difference Result 654 states and 988 transitions. [2021-10-15 20:18:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:06,638 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 [2021-10-15 20:18:06,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:06,643 INFO L225 Difference]: With dead ends: 654 [2021-10-15 20:18:06,643 INFO L226 Difference]: Without dead ends: 362 [2021-10-15 20:18:06,644 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-10-15 20:18:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-10-15 20:18:06,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 354 states have (on average 1.5564971751412429) internal successors, (551), 361 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 551 transitions. [2021-10-15 20:18:06,672 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 551 transitions. Word has length 45 [2021-10-15 20:18:06,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:06,672 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 551 transitions. [2021-10-15 20:18:06,673 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) [2021-10-15 20:18:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 551 transitions. [2021-10-15 20:18:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-15 20:18:06,682 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:06,683 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-15 20:18:06,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-15 20:18:06,683 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:06,684 INFO L82 PathProgramCache]: Analyzing trace with hash -23561181, now seen corresponding path program 1 times [2021-10-15 20:18:06,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:06,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619362062] [2021-10-15 20:18:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:06,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:06,712 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:06,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957683441] [2021-10-15 20:18:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:06,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:06,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:06,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-15 20:18:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:06,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:18:06,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:18:07,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:07,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619362062] [2021-10-15 20:18:07,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:07,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957683441] [2021-10-15 20:18:07,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957683441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:07,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:07,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:07,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389086385] [2021-10-15 20:18:07,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:07,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:07,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:07,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,008 INFO L87 Difference]: Start difference. First operand 362 states and 551 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:07,062 INFO L93 Difference]: Finished difference Result 720 states and 1093 transitions. [2021-10-15 20:18:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:07,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-10-15 20:18:07,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:07,068 INFO L225 Difference]: With dead ends: 720 [2021-10-15 20:18:07,069 INFO L226 Difference]: Without dead ends: 537 [2021-10-15 20:18:07,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-10-15 20:18:07,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 533. [2021-10-15 20:18:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 525 states have (on average 1.5542857142857143) internal successors, (816), 532 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 816 transitions. [2021-10-15 20:18:07,106 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 816 transitions. Word has length 56 [2021-10-15 20:18:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:07,109 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 816 transitions. [2021-10-15 20:18:07,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 816 transitions. [2021-10-15 20:18:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-15 20:18:07,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:07,113 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:07,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:07,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-15 20:18:07,338 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:07,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:07,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1156189689, now seen corresponding path program 1 times [2021-10-15 20:18:07,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:07,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963708333] [2021-10-15 20:18:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:07,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:07,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:07,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963708333] [2021-10-15 20:18:07,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963708333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:07,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:07,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:07,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142594374] [2021-10-15 20:18:07,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:07,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:07,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:07,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,405 INFO L87 Difference]: Start difference. First operand 533 states and 816 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:07,538 INFO L93 Difference]: Finished difference Result 1112 states and 1695 transitions. [2021-10-15 20:18:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-15 20:18:07,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:07,544 INFO L225 Difference]: With dead ends: 1112 [2021-10-15 20:18:07,544 INFO L226 Difference]: Without dead ends: 587 [2021-10-15 20:18:07,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-10-15 20:18:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2021-10-15 20:18:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 573 states have (on average 1.5340314136125655) internal successors, (879), 580 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 879 transitions. [2021-10-15 20:18:07,573 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 879 transitions. Word has length 57 [2021-10-15 20:18:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:07,574 INFO L470 AbstractCegarLoop]: Abstraction has 581 states and 879 transitions. [2021-10-15 20:18:07,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 879 transitions. [2021-10-15 20:18:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-15 20:18:07,578 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:07,578 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:07,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-15 20:18:07,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:07,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1289299726, now seen corresponding path program 1 times [2021-10-15 20:18:07,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:07,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454279820] [2021-10-15 20:18:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:07,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:07,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:07,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454279820] [2021-10-15 20:18:07,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454279820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:07,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:07,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:07,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160836392] [2021-10-15 20:18:07,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:07,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:07,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:07,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,615 INFO L87 Difference]: Start difference. First operand 581 states and 879 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:07,752 INFO L93 Difference]: Finished difference Result 1163 states and 1758 transitions. [2021-10-15 20:18:07,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:07,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 58 [2021-10-15 20:18:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:07,756 INFO L225 Difference]: With dead ends: 1163 [2021-10-15 20:18:07,757 INFO L226 Difference]: Without dead ends: 590 [2021-10-15 20:18:07,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2021-10-15 20:18:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 584. [2021-10-15 20:18:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 576 states have (on average 1.5260416666666667) internal successors, (879), 583 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 879 transitions. [2021-10-15 20:18:07,809 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 879 transitions. Word has length 58 [2021-10-15 20:18:07,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:07,809 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 879 transitions. [2021-10-15 20:18:07,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 879 transitions. [2021-10-15 20:18:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-15 20:18:07,811 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:07,811 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-15 20:18:07,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-15 20:18:07,811 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:07,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:07,812 INFO L82 PathProgramCache]: Analyzing trace with hash 3546486, now seen corresponding path program 1 times [2021-10-15 20:18:07,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:07,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080261413] [2021-10-15 20:18:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:07,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:07,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:07,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080261413] [2021-10-15 20:18:07,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080261413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:07,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:07,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:07,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992636927] [2021-10-15 20:18:07,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:07,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:07,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:07,852 INFO L87 Difference]: Start difference. First operand 584 states and 879 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:08,011 INFO L93 Difference]: Finished difference Result 1292 states and 1971 transitions. [2021-10-15 20:18:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:08,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 71 [2021-10-15 20:18:08,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:08,016 INFO L225 Difference]: With dead ends: 1292 [2021-10-15 20:18:08,016 INFO L226 Difference]: Without dead ends: 716 [2021-10-15 20:18:08,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-10-15 20:18:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 710. [2021-10-15 20:18:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 702 states have (on average 1.5555555555555556) internal successors, (1092), 709 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1092 transitions. [2021-10-15 20:18:08,052 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1092 transitions. Word has length 71 [2021-10-15 20:18:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:08,053 INFO L470 AbstractCegarLoop]: Abstraction has 710 states and 1092 transitions. [2021-10-15 20:18:08,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1092 transitions. [2021-10-15 20:18:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-15 20:18:08,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:08,055 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-15 20:18:08,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-15 20:18:08,055 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:08,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1399805589, now seen corresponding path program 1 times [2021-10-15 20:18:08,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:08,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092013569] [2021-10-15 20:18:08,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:08,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:08,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:08,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092013569] [2021-10-15 20:18:08,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092013569] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:08,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:08,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:08,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63602476] [2021-10-15 20:18:08,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:08,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:08,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:08,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,095 INFO L87 Difference]: Start difference. First operand 710 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:08,259 INFO L93 Difference]: Finished difference Result 1514 states and 2337 transitions. [2021-10-15 20:18:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-10-15 20:18:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:08,265 INFO L225 Difference]: With dead ends: 1514 [2021-10-15 20:18:08,265 INFO L226 Difference]: Without dead ends: 812 [2021-10-15 20:18:08,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-10-15 20:18:08,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 791. [2021-10-15 20:18:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 783 states have (on average 1.5478927203065134) internal successors, (1212), 790 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1212 transitions. [2021-10-15 20:18:08,322 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1212 transitions. Word has length 72 [2021-10-15 20:18:08,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:08,322 INFO L470 AbstractCegarLoop]: Abstraction has 791 states and 1212 transitions. [2021-10-15 20:18:08,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1212 transitions. [2021-10-15 20:18:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-15 20:18:08,324 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:08,324 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-10-15 20:18:08,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-15 20:18:08,325 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:08,325 INFO L82 PathProgramCache]: Analyzing trace with hash -10581937, now seen corresponding path program 1 times [2021-10-15 20:18:08,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:08,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942819548] [2021-10-15 20:18:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:08,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:08,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:08,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942819548] [2021-10-15 20:18:08,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942819548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:08,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:08,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:08,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414123703] [2021-10-15 20:18:08,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:08,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:08,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:08,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,359 INFO L87 Difference]: Start difference. First operand 791 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:08,517 INFO L93 Difference]: Finished difference Result 1583 states and 2424 transitions. [2021-10-15 20:18:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:08,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-10-15 20:18:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:08,523 INFO L225 Difference]: With dead ends: 1583 [2021-10-15 20:18:08,523 INFO L226 Difference]: Without dead ends: 800 [2021-10-15 20:18:08,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-15 20:18:08,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 794. [2021-10-15 20:18:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 786 states have (on average 1.5419847328244274) internal successors, (1212), 793 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1212 transitions. [2021-10-15 20:18:08,565 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1212 transitions. Word has length 72 [2021-10-15 20:18:08,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:08,566 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 1212 transitions. [2021-10-15 20:18:08,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1212 transitions. [2021-10-15 20:18:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-15 20:18:08,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:08,568 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-15 20:18:08,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-15 20:18:08,568 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:08,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:08,569 INFO L82 PathProgramCache]: Analyzing trace with hash -302249710, now seen corresponding path program 1 times [2021-10-15 20:18:08,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:08,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127512069] [2021-10-15 20:18:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:08,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:08,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:08,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127512069] [2021-10-15 20:18:08,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127512069] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:08,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:08,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:08,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775575066] [2021-10-15 20:18:08,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:08,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:08,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,608 INFO L87 Difference]: Start difference. First operand 794 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:08,785 INFO L93 Difference]: Finished difference Result 1601 states and 2448 transitions. [2021-10-15 20:18:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:08,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-10-15 20:18:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:08,791 INFO L225 Difference]: With dead ends: 1601 [2021-10-15 20:18:08,791 INFO L226 Difference]: Without dead ends: 815 [2021-10-15 20:18:08,792 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2021-10-15 20:18:08,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 794. [2021-10-15 20:18:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 786 states have (on average 1.5305343511450382) internal successors, (1203), 793 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1203 transitions. [2021-10-15 20:18:08,830 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1203 transitions. Word has length 73 [2021-10-15 20:18:08,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:08,830 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 1203 transitions. [2021-10-15 20:18:08,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1203 transitions. [2021-10-15 20:18:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-15 20:18:08,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:08,832 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:08,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-15 20:18:08,833 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:08,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:08,833 INFO L82 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2021-10-15 20:18:08,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:08,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015554087] [2021-10-15 20:18:08,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:08,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:08,845 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:08,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243583387] [2021-10-15 20:18:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:08,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:08,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:08,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-15 20:18:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:08,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:18:08,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-15 20:18:09,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:09,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015554087] [2021-10-15 20:18:09,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:09,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243583387] [2021-10-15 20:18:09,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243583387] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:09,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:09,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:09,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047203278] [2021-10-15 20:18:09,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:09,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:09,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:09,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:09,167 INFO L87 Difference]: Start difference. First operand 794 states and 1203 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:09,228 INFO L93 Difference]: Finished difference Result 1584 states and 2397 transitions. [2021-10-15 20:18:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:09,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-10-15 20:18:09,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:09,235 INFO L225 Difference]: With dead ends: 1584 [2021-10-15 20:18:09,235 INFO L226 Difference]: Without dead ends: 1056 [2021-10-15 20:18:09,236 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:09,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2021-10-15 20:18:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1052. [2021-10-15 20:18:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1044 states have (on average 1.5306513409961686) internal successors, (1598), 1051 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1598 transitions. [2021-10-15 20:18:09,309 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1598 transitions. Word has length 77 [2021-10-15 20:18:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:09,309 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1598 transitions. [2021-10-15 20:18:09,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1598 transitions. [2021-10-15 20:18:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-15 20:18:09,312 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:09,312 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:09,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:09,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-15 20:18:09,525 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:09,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:09,525 INFO L82 PathProgramCache]: Analyzing trace with hash 255966258, now seen corresponding path program 1 times [2021-10-15 20:18:09,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:09,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396235168] [2021-10-15 20:18:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:09,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:09,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:09,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396235168] [2021-10-15 20:18:09,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396235168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:09,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:09,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:09,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891757688] [2021-10-15 20:18:09,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:09,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:09,578 INFO L87 Difference]: Start difference. First operand 1052 states and 1598 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:09,790 INFO L93 Difference]: Finished difference Result 2280 states and 3476 transitions. [2021-10-15 20:18:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:09,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-10-15 20:18:09,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:09,799 INFO L225 Difference]: With dead ends: 2280 [2021-10-15 20:18:09,799 INFO L226 Difference]: Without dead ends: 1236 [2021-10-15 20:18:09,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:09,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2021-10-15 20:18:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1224. [2021-10-15 20:18:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1216 states have (on average 1.5411184210526316) internal successors, (1874), 1223 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1874 transitions. [2021-10-15 20:18:09,860 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1874 transitions. Word has length 87 [2021-10-15 20:18:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:09,860 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 1874 transitions. [2021-10-15 20:18:09,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1874 transitions. [2021-10-15 20:18:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-15 20:18:09,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:09,863 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:09,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-15 20:18:09,864 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:09,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:09,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1223364464, now seen corresponding path program 1 times [2021-10-15 20:18:09,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:09,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099437769] [2021-10-15 20:18:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:09,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-15 20:18:09,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:09,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099437769] [2021-10-15 20:18:09,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099437769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:09,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:09,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:09,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048370231] [2021-10-15 20:18:09,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:09,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:09,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:09,917 INFO L87 Difference]: Start difference. First operand 1224 states and 1874 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) [2021-10-15 20:18:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:10,136 INFO L93 Difference]: Finished difference Result 2500 states and 3840 transitions. [2021-10-15 20:18:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:10,136 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 88 [2021-10-15 20:18:10,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:10,145 INFO L225 Difference]: With dead ends: 2500 [2021-10-15 20:18:10,145 INFO L226 Difference]: Without dead ends: 1276 [2021-10-15 20:18:10,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:10,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-10-15 20:18:10,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1264. [2021-10-15 20:18:10,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1256 states have (on average 1.552547770700637) internal successors, (1950), 1263 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1950 transitions. [2021-10-15 20:18:10,209 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1950 transitions. Word has length 88 [2021-10-15 20:18:10,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:10,210 INFO L470 AbstractCegarLoop]: Abstraction has 1264 states and 1950 transitions. [2021-10-15 20:18:10,210 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) [2021-10-15 20:18:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1950 transitions. [2021-10-15 20:18:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-15 20:18:10,215 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:10,215 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:10,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-15 20:18:10,216 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:10,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:10,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1116790719, now seen corresponding path program 1 times [2021-10-15 20:18:10,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:10,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798591860] [2021-10-15 20:18:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:10,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-15 20:18:10,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:10,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798591860] [2021-10-15 20:18:10,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798591860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:10,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:10,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:10,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357315072] [2021-10-15 20:18:10,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:10,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:10,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:10,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:10,266 INFO L87 Difference]: Start difference. First operand 1264 states and 1950 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) [2021-10-15 20:18:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:10,458 INFO L93 Difference]: Finished difference Result 2668 states and 4124 transitions. [2021-10-15 20:18:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:10,458 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 [2021-10-15 20:18:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:10,467 INFO L225 Difference]: With dead ends: 2668 [2021-10-15 20:18:10,468 INFO L226 Difference]: Without dead ends: 1412 [2021-10-15 20:18:10,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:10,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2021-10-15 20:18:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2021-10-15 20:18:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.5383480825958702) internal successors, (2086), 1363 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2086 transitions. [2021-10-15 20:18:10,541 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2086 transitions. Word has length 98 [2021-10-15 20:18:10,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:10,541 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2086 transitions. [2021-10-15 20:18:10,542 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) [2021-10-15 20:18:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2086 transitions. [2021-10-15 20:18:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-15 20:18:10,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:10,545 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:10,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-15 20:18:10,545 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:10,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1441074182, now seen corresponding path program 1 times [2021-10-15 20:18:10,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:10,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334555953] [2021-10-15 20:18:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:10,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-15 20:18:10,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:10,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334555953] [2021-10-15 20:18:10,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334555953] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:10,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:10,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:10,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778557115] [2021-10-15 20:18:10,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:10,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:10,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:10,580 INFO L87 Difference]: Start difference. First operand 1364 states and 2086 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) [2021-10-15 20:18:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:10,781 INFO L93 Difference]: Finished difference Result 2768 states and 4240 transitions. [2021-10-15 20:18:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:10,782 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 [2021-10-15 20:18:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:10,791 INFO L225 Difference]: With dead ends: 2768 [2021-10-15 20:18:10,791 INFO L226 Difference]: Without dead ends: 1412 [2021-10-15 20:18:10,793 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2021-10-15 20:18:10,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2021-10-15 20:18:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.5235988200589972) internal successors, (2066), 1363 states have internal predecessors, (2066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2066 transitions. [2021-10-15 20:18:10,857 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2066 transitions. Word has length 99 [2021-10-15 20:18:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:10,857 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2066 transitions. [2021-10-15 20:18:10,857 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) [2021-10-15 20:18:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2066 transitions. [2021-10-15 20:18:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-15 20:18:10,861 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:10,861 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:10,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-15 20:18:10,862 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:10,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:10,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1328244108, now seen corresponding path program 1 times [2021-10-15 20:18:10,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:10,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219872196] [2021-10-15 20:18:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:10,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:10,878 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:10,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843038113] [2021-10-15 20:18:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:10,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:10,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:10,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:10,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-15 20:18:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:11,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:18:11,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-15 20:18:11,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:11,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219872196] [2021-10-15 20:18:11,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:11,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843038113] [2021-10-15 20:18:11,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843038113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:11,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:11,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:11,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665862387] [2021-10-15 20:18:11,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:11,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:11,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:11,401 INFO L87 Difference]: Start difference. First operand 1364 states and 2066 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:11,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:11,622 INFO L93 Difference]: Finished difference Result 2756 states and 4164 transitions. [2021-10-15 20:18:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:11,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 117 [2021-10-15 20:18:11,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:11,631 INFO L225 Difference]: With dead ends: 2756 [2021-10-15 20:18:11,631 INFO L226 Difference]: Without dead ends: 1400 [2021-10-15 20:18:11,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2021-10-15 20:18:11,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1364. [2021-10-15 20:18:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.4705014749262537) internal successors, (1994), 1363 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1994 transitions. [2021-10-15 20:18:11,693 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1994 transitions. Word has length 117 [2021-10-15 20:18:11,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:11,693 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 1994 transitions. [2021-10-15 20:18:11,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1994 transitions. [2021-10-15 20:18:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-15 20:18:11,696 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:11,697 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:11,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:11,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:11,910 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:11,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1689064237, now seen corresponding path program 1 times [2021-10-15 20:18:11,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:11,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681062397] [2021-10-15 20:18:11,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:11,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-10-15 20:18:11,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:11,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681062397] [2021-10-15 20:18:11,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681062397] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:11,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:11,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:11,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246988481] [2021-10-15 20:18:11,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:11,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:11,952 INFO L87 Difference]: Start difference. First operand 1364 states and 1994 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) [2021-10-15 20:18:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:12,122 INFO L93 Difference]: Finished difference Result 2828 states and 4136 transitions. [2021-10-15 20:18:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:12,123 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 118 [2021-10-15 20:18:12,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:12,132 INFO L225 Difference]: With dead ends: 2828 [2021-10-15 20:18:12,132 INFO L226 Difference]: Without dead ends: 1472 [2021-10-15 20:18:12,134 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2021-10-15 20:18:12,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2021-10-15 20:18:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1452 states have (on average 1.4586776859504131) internal successors, (2118), 1459 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2118 transitions. [2021-10-15 20:18:12,214 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2118 transitions. Word has length 118 [2021-10-15 20:18:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:12,215 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2118 transitions. [2021-10-15 20:18:12,215 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) [2021-10-15 20:18:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2118 transitions. [2021-10-15 20:18:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-15 20:18:12,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:12,218 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:12,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-15 20:18:12,219 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:12,220 INFO L82 PathProgramCache]: Analyzing trace with hash 582430036, now seen corresponding path program 1 times [2021-10-15 20:18:12,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:12,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778065298] [2021-10-15 20:18:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:12,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-10-15 20:18:12,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:12,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778065298] [2021-10-15 20:18:12,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778065298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:12,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:12,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:12,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282798525] [2021-10-15 20:18:12,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:12,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:12,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,268 INFO L87 Difference]: Start difference. First operand 1460 states and 2118 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) [2021-10-15 20:18:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:12,447 INFO L93 Difference]: Finished difference Result 2924 states and 4240 transitions. [2021-10-15 20:18:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:12,448 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 119 [2021-10-15 20:18:12,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:12,457 INFO L225 Difference]: With dead ends: 2924 [2021-10-15 20:18:12,458 INFO L226 Difference]: Without dead ends: 1472 [2021-10-15 20:18:12,460 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2021-10-15 20:18:12,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2021-10-15 20:18:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1452 states have (on average 1.4449035812672177) internal successors, (2098), 1459 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2098 transitions. [2021-10-15 20:18:12,526 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2098 transitions. Word has length 119 [2021-10-15 20:18:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:12,527 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2098 transitions. [2021-10-15 20:18:12,527 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) [2021-10-15 20:18:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2098 transitions. [2021-10-15 20:18:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-15 20:18:12,530 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:12,530 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 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] [2021-10-15 20:18:12,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-15 20:18:12,531 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:12,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash -790883194, now seen corresponding path program 1 times [2021-10-15 20:18:12,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:12,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984903659] [2021-10-15 20:18:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:12,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-15 20:18:12,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:12,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984903659] [2021-10-15 20:18:12,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984903659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:12,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:12,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:12,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480292034] [2021-10-15 20:18:12,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:12,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:12,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:12,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,573 INFO L87 Difference]: Start difference. First operand 1460 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:12,814 INFO L93 Difference]: Finished difference Result 3092 states and 4446 transitions. [2021-10-15 20:18:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:12,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-10-15 20:18:12,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:12,825 INFO L225 Difference]: With dead ends: 3092 [2021-10-15 20:18:12,825 INFO L226 Difference]: Without dead ends: 1640 [2021-10-15 20:18:12,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2021-10-15 20:18:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2021-10-15 20:18:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1616 states have (on average 1.4467821782178218) internal successors, (2338), 1623 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2338 transitions. [2021-10-15 20:18:12,902 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2338 transitions. Word has length 127 [2021-10-15 20:18:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:12,903 INFO L470 AbstractCegarLoop]: Abstraction has 1624 states and 2338 transitions. [2021-10-15 20:18:12,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2338 transitions. [2021-10-15 20:18:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-15 20:18:12,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:12,907 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 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] [2021-10-15 20:18:12,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-15 20:18:12,908 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:12,909 INFO L82 PathProgramCache]: Analyzing trace with hash 13650500, now seen corresponding path program 1 times [2021-10-15 20:18:12,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:12,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997457214] [2021-10-15 20:18:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:12,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-15 20:18:12,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:12,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997457214] [2021-10-15 20:18:12,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997457214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:12,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:12,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:12,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453572336] [2021-10-15 20:18:12,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:12,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:12,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:12,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:12,965 INFO L87 Difference]: Start difference. First operand 1624 states and 2338 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:13,174 INFO L93 Difference]: Finished difference Result 3256 states and 4682 transitions. [2021-10-15 20:18:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 128 [2021-10-15 20:18:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:13,185 INFO L225 Difference]: With dead ends: 3256 [2021-10-15 20:18:13,185 INFO L226 Difference]: Without dead ends: 1632 [2021-10-15 20:18:13,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2021-10-15 20:18:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1616. [2021-10-15 20:18:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1608 states have (on average 1.4440298507462686) internal successors, (2322), 1615 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2322 transitions. [2021-10-15 20:18:13,250 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2322 transitions. Word has length 128 [2021-10-15 20:18:13,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:13,251 INFO L470 AbstractCegarLoop]: Abstraction has 1616 states and 2322 transitions. [2021-10-15 20:18:13,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2322 transitions. [2021-10-15 20:18:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-15 20:18:13,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:13,265 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:13,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-15 20:18:13,266 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:13,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:13,267 INFO L82 PathProgramCache]: Analyzing trace with hash -802934786, now seen corresponding path program 1 times [2021-10-15 20:18:13,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:13,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203861317] [2021-10-15 20:18:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:13,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-10-15 20:18:13,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:13,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203861317] [2021-10-15 20:18:13,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203861317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:13,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:13,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:13,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895109148] [2021-10-15 20:18:13,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:13,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:13,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:13,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,305 INFO L87 Difference]: Start difference. First operand 1616 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:13,491 INFO L93 Difference]: Finished difference Result 3324 states and 4779 transitions. [2021-10-15 20:18:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:13,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 139 [2021-10-15 20:18:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:13,503 INFO L225 Difference]: With dead ends: 3324 [2021-10-15 20:18:13,503 INFO L226 Difference]: Without dead ends: 1716 [2021-10-15 20:18:13,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2021-10-15 20:18:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2021-10-15 20:18:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1692 states have (on average 1.429078014184397) internal successors, (2418), 1699 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2418 transitions. [2021-10-15 20:18:13,582 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2418 transitions. Word has length 139 [2021-10-15 20:18:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:13,582 INFO L470 AbstractCegarLoop]: Abstraction has 1700 states and 2418 transitions. [2021-10-15 20:18:13,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2418 transitions. [2021-10-15 20:18:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-15 20:18:13,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:13,587 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:13,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-15 20:18:13,588 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:13,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2125881129, now seen corresponding path program 1 times [2021-10-15 20:18:13,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:13,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789360972] [2021-10-15 20:18:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:13,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-10-15 20:18:13,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:13,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789360972] [2021-10-15 20:18:13,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789360972] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:13,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:13,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:13,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991466942] [2021-10-15 20:18:13,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:13,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,628 INFO L87 Difference]: Start difference. First operand 1700 states and 2418 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:13,808 INFO L93 Difference]: Finished difference Result 3408 states and 4847 transitions. [2021-10-15 20:18:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:13,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 140 [2021-10-15 20:18:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:13,818 INFO L225 Difference]: With dead ends: 3408 [2021-10-15 20:18:13,819 INFO L226 Difference]: Without dead ends: 1716 [2021-10-15 20:18:13,821 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2021-10-15 20:18:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2021-10-15 20:18:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1692 states have (on average 1.4125295508274232) internal successors, (2390), 1699 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2390 transitions. [2021-10-15 20:18:13,916 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2390 transitions. Word has length 140 [2021-10-15 20:18:13,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:13,916 INFO L470 AbstractCegarLoop]: Abstraction has 1700 states and 2390 transitions. [2021-10-15 20:18:13,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2390 transitions. [2021-10-15 20:18:13,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-15 20:18:13,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:13,921 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:13,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-15 20:18:13,922 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash 791329785, now seen corresponding path program 1 times [2021-10-15 20:18:13,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:13,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857264126] [2021-10-15 20:18:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:13,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-10-15 20:18:13,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:13,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857264126] [2021-10-15 20:18:13,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857264126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:13,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:13,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:13,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875474943] [2021-10-15 20:18:13,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:13,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:13,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:13,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:13,961 INFO L87 Difference]: Start difference. First operand 1700 states and 2390 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:14,033 INFO L93 Difference]: Finished difference Result 3374 states and 4736 transitions. [2021-10-15 20:18:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:14,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 155 [2021-10-15 20:18:14,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:14,054 INFO L225 Difference]: With dead ends: 3374 [2021-10-15 20:18:14,061 INFO L226 Difference]: Without dead ends: 1682 [2021-10-15 20:18:14,063 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:14,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2021-10-15 20:18:14,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1678. [2021-10-15 20:18:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1670 states have (on average 1.4113772455089821) internal successors, (2357), 1677 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2357 transitions. [2021-10-15 20:18:14,122 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2357 transitions. Word has length 155 [2021-10-15 20:18:14,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:14,122 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 2357 transitions. [2021-10-15 20:18:14,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2357 transitions. [2021-10-15 20:18:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-15 20:18:14,126 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:14,127 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:14,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-15 20:18:14,128 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:14,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:14,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2021-10-15 20:18:14,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:14,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585407733] [2021-10-15 20:18:14,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:14,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-15 20:18:14,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:14,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585407733] [2021-10-15 20:18:14,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585407733] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:14,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773559918] [2021-10-15 20:18:14,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:14,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:14,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:14,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:14,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-15 20:18:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:14,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:18:14,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-15 20:18:14,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773559918] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:14,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:18:14,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-15 20:18:14,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613802911] [2021-10-15 20:18:14,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 20:18:14,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:14,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:18:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:18:14,794 INFO L87 Difference]: Start difference. First operand 1678 states and 2357 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:15,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:15,242 INFO L93 Difference]: Finished difference Result 5292 states and 7423 transitions. [2021-10-15 20:18:15,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:18:15,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-10-15 20:18:15,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:15,251 INFO L225 Difference]: With dead ends: 5292 [2021-10-15 20:18:15,251 INFO L226 Difference]: Without dead ends: 3522 [2021-10-15 20:18:15,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2021-10-15 20:18:15,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 2066. [2021-10-15 20:18:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 2058 states have (on average 1.4173955296404277) internal successors, (2917), 2065 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2917 transitions. [2021-10-15 20:18:15,376 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2917 transitions. Word has length 155 [2021-10-15 20:18:15,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:15,377 INFO L470 AbstractCegarLoop]: Abstraction has 2066 states and 2917 transitions. [2021-10-15 20:18:15,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2917 transitions. [2021-10-15 20:18:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-15 20:18:15,382 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:15,383 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:15,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:15,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:15,604 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:15,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:15,604 INFO L82 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2021-10-15 20:18:15,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:15,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534024744] [2021-10-15 20:18:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:15,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-15 20:18:15,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:15,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534024744] [2021-10-15 20:18:15,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534024744] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:15,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505601335] [2021-10-15 20:18:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:15,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:15,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:15,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-15 20:18:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:15,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:18:15,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-15 20:18:16,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505601335] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:16,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:18:16,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-15 20:18:16,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543727979] [2021-10-15 20:18:16,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 20:18:16,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:18:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:18:16,329 INFO L87 Difference]: Start difference. First operand 2066 states and 2917 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2021-10-15 20:18:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:16,773 INFO L93 Difference]: Finished difference Result 5633 states and 7890 transitions. [2021-10-15 20:18:16,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:18:16,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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 157 [2021-10-15 20:18:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:16,781 INFO L225 Difference]: With dead ends: 5633 [2021-10-15 20:18:16,782 INFO L226 Difference]: Without dead ends: 3575 [2021-10-15 20:18:16,785 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2021-10-15 20:18:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 2574. [2021-10-15 20:18:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2566 states have (on average 1.3608729540140296) internal successors, (3492), 2573 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3492 transitions. [2021-10-15 20:18:16,904 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3492 transitions. Word has length 157 [2021-10-15 20:18:16,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:16,905 INFO L470 AbstractCegarLoop]: Abstraction has 2574 states and 3492 transitions. [2021-10-15 20:18:16,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2021-10-15 20:18:16,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3492 transitions. [2021-10-15 20:18:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-15 20:18:16,911 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:16,912 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:16,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:17,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-15 20:18:17,126 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:17,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:17,127 INFO L82 PathProgramCache]: Analyzing trace with hash -224165000, now seen corresponding path program 1 times [2021-10-15 20:18:17,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:17,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284946969] [2021-10-15 20:18:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:17,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-15 20:18:17,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:17,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284946969] [2021-10-15 20:18:17,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284946969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:17,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:17,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:17,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315570870] [2021-10-15 20:18:17,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:17,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:17,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:17,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:17,217 INFO L87 Difference]: Start difference. First operand 2574 states and 3492 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:17,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:17,304 INFO L93 Difference]: Finished difference Result 4361 states and 5916 transitions. [2021-10-15 20:18:17,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:17,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 164 [2021-10-15 20:18:17,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:17,310 INFO L225 Difference]: With dead ends: 4361 [2021-10-15 20:18:17,311 INFO L226 Difference]: Without dead ends: 2344 [2021-10-15 20:18:17,314 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2021-10-15 20:18:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2344. [2021-10-15 20:18:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2344 states, 2336 states have (on average 1.3587328767123288) internal successors, (3174), 2343 states have internal predecessors, (3174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3174 transitions. [2021-10-15 20:18:17,416 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3174 transitions. Word has length 164 [2021-10-15 20:18:17,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:17,417 INFO L470 AbstractCegarLoop]: Abstraction has 2344 states and 3174 transitions. [2021-10-15 20:18:17,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3174 transitions. [2021-10-15 20:18:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-15 20:18:17,422 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:17,422 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:17,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-15 20:18:17,422 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:17,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:17,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1734409786, now seen corresponding path program 1 times [2021-10-15 20:18:17,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:17,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611118576] [2021-10-15 20:18:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:17,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-15 20:18:17,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:17,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611118576] [2021-10-15 20:18:17,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611118576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:17,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456644796] [2021-10-15 20:18:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:17,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:17,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-15 20:18:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:17,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:18:17,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 97 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-15 20:18:18,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456644796] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:18,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:18:18,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-15 20:18:18,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800175939] [2021-10-15 20:18:18,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 20:18:18,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:18,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:18:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:18:18,108 INFO L87 Difference]: Start difference. First operand 2344 states and 3174 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:18,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:18,504 INFO L93 Difference]: Finished difference Result 5788 states and 7788 transitions. [2021-10-15 20:18:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:18:18,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 164 [2021-10-15 20:18:18,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:18,536 INFO L225 Difference]: With dead ends: 5788 [2021-10-15 20:18:18,536 INFO L226 Difference]: Without dead ends: 3428 [2021-10-15 20:18:18,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2021-10-15 20:18:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 2119. [2021-10-15 20:18:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 2113 states have (on average 1.3497397065783248) internal successors, (2852), 2118 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2852 transitions. [2021-10-15 20:18:18,627 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2852 transitions. Word has length 164 [2021-10-15 20:18:18,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:18,628 INFO L470 AbstractCegarLoop]: Abstraction has 2119 states and 2852 transitions. [2021-10-15 20:18:18,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2852 transitions. [2021-10-15 20:18:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-10-15 20:18:18,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:18,633 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:18,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:18,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:18,858 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:18,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:18,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2021-10-15 20:18:18,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:18,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473043373] [2021-10-15 20:18:18,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:18,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-15 20:18:18,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:18,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473043373] [2021-10-15 20:18:18,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473043373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:18,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:18,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:18,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985667201] [2021-10-15 20:18:18,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:18,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:18,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:18,914 INFO L87 Difference]: Start difference. First operand 2119 states and 2852 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:19,012 INFO L93 Difference]: Finished difference Result 5124 states and 6835 transitions. [2021-10-15 20:18:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:19,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 166 [2021-10-15 20:18:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:19,020 INFO L225 Difference]: With dead ends: 5124 [2021-10-15 20:18:19,020 INFO L226 Difference]: Without dead ends: 3013 [2021-10-15 20:18:19,025 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2021-10-15 20:18:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3009. [2021-10-15 20:18:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 3003 states have (on average 1.3263403263403264) internal successors, (3983), 3008 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 3983 transitions. [2021-10-15 20:18:19,183 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 3983 transitions. Word has length 166 [2021-10-15 20:18:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:19,183 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 3983 transitions. [2021-10-15 20:18:19,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3983 transitions. [2021-10-15 20:18:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-10-15 20:18:19,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:19,191 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:19,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-15 20:18:19,191 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:19,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:19,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2021-10-15 20:18:19,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:19,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731752819] [2021-10-15 20:18:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:19,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:19,216 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:19,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311426490] [2021-10-15 20:18:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:19,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:19,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:19,218 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:19,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-15 20:18:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:19,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:18:19,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-10-15 20:18:20,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:20,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731752819] [2021-10-15 20:18:20,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:20,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311426490] [2021-10-15 20:18:20,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311426490] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:20,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:20,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:20,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368823719] [2021-10-15 20:18:20,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 20:18:20,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:18:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:18:20,101 INFO L87 Difference]: Start difference. First operand 3009 states and 3983 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:20,399 INFO L93 Difference]: Finished difference Result 3685 states and 4829 transitions. [2021-10-15 20:18:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:18:20,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 187 [2021-10-15 20:18:20,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:20,408 INFO L225 Difference]: With dead ends: 3685 [2021-10-15 20:18:20,408 INFO L226 Difference]: Without dead ends: 3684 [2021-10-15 20:18:20,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:18:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3684 states. [2021-10-15 20:18:20,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3684 to 3166. [2021-10-15 20:18:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3160 states have (on average 1.32626582278481) internal successors, (4191), 3165 states have internal predecessors, (4191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4191 transitions. [2021-10-15 20:18:20,553 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4191 transitions. Word has length 187 [2021-10-15 20:18:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:20,554 INFO L470 AbstractCegarLoop]: Abstraction has 3166 states and 4191 transitions. [2021-10-15 20:18:20,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4191 transitions. [2021-10-15 20:18:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-15 20:18:20,560 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:20,560 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:20,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:20,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-10-15 20:18:20,782 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:20,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:20,783 INFO L82 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2021-10-15 20:18:20,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:20,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184639603] [2021-10-15 20:18:20,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:20,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:20,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:20,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956222813] [2021-10-15 20:18:20,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:20,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:20,803 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:20,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-15 20:18:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:21,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:18:21,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-15 20:18:22,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:22,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184639603] [2021-10-15 20:18:22,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:22,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956222813] [2021-10-15 20:18:22,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956222813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:22,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:22,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-15 20:18:22,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460725182] [2021-10-15 20:18:22,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 20:18:22,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:22,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:18:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:22,026 INFO L87 Difference]: Start difference. First operand 3166 states and 4191 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:22,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:22,374 INFO L93 Difference]: Finished difference Result 5968 states and 7815 transitions. [2021-10-15 20:18:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:18:22,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 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 [2021-10-15 20:18:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:22,385 INFO L225 Difference]: With dead ends: 5968 [2021-10-15 20:18:22,385 INFO L226 Difference]: Without dead ends: 5083 [2021-10-15 20:18:22,388 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:22,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2021-10-15 20:18:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 4559. [2021-10-15 20:18:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 4553 states have (on average 1.3233033164946189) internal successors, (6025), 4558 states have internal predecessors, (6025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 6025 transitions. [2021-10-15 20:18:22,562 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 6025 transitions. Word has length 189 [2021-10-15 20:18:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:22,562 INFO L470 AbstractCegarLoop]: Abstraction has 4559 states and 6025 transitions. [2021-10-15 20:18:22,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 6025 transitions. [2021-10-15 20:18:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-15 20:18:22,569 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:22,569 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:22,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:22,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:22,782 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:22,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:22,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2021-10-15 20:18:22,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:22,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460751724] [2021-10-15 20:18:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:22,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:22,799 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:22,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575416120] [2021-10-15 20:18:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:22,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:22,801 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:22,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-15 20:18:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:23,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:18:23,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-10-15 20:18:23,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:23,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460751724] [2021-10-15 20:18:23,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:23,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575416120] [2021-10-15 20:18:23,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575416120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:23,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:23,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-15 20:18:23,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905339821] [2021-10-15 20:18:23,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 20:18:23,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:23,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:18:23,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:23,925 INFO L87 Difference]: Start difference. First operand 4559 states and 6025 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:24,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:24,388 INFO L93 Difference]: Finished difference Result 8521 states and 11278 transitions. [2021-10-15 20:18:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:18:24,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 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 190 [2021-10-15 20:18:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:24,399 INFO L225 Difference]: With dead ends: 8521 [2021-10-15 20:18:24,399 INFO L226 Difference]: Without dead ends: 4662 [2021-10-15 20:18:24,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.2ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:18:24,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4662 states. [2021-10-15 20:18:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4662 to 4653. [2021-10-15 20:18:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4653 states, 4647 states have (on average 1.3124596513879923) internal successors, (6099), 4652 states have internal predecessors, (6099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4653 states and 6099 transitions. [2021-10-15 20:18:24,661 INFO L78 Accepts]: Start accepts. Automaton has 4653 states and 6099 transitions. Word has length 190 [2021-10-15 20:18:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:24,662 INFO L470 AbstractCegarLoop]: Abstraction has 4653 states and 6099 transitions. [2021-10-15 20:18:24,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4653 states and 6099 transitions. [2021-10-15 20:18:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-15 20:18:24,669 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:24,672 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:24,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:24,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-15 20:18:24,886 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:24,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:24,887 INFO L82 PathProgramCache]: Analyzing trace with hash -772079227, now seen corresponding path program 1 times [2021-10-15 20:18:24,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:24,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915104482] [2021-10-15 20:18:24,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:24,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:24,911 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-15 20:18:24,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831265752] [2021-10-15 20:18:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:24,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:24,913 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:24,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-15 20:18:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:25,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:18:25,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-10-15 20:18:25,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:25,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915104482] [2021-10-15 20:18:25,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-15 20:18:25,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831265752] [2021-10-15 20:18:25,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831265752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:25,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:25,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:25,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634624576] [2021-10-15 20:18:25,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:25,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:25,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:25,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:25,799 INFO L87 Difference]: Start difference. First operand 4653 states and 6099 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:26,089 INFO L93 Difference]: Finished difference Result 9416 states and 12344 transitions. [2021-10-15 20:18:26,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:26,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 197 [2021-10-15 20:18:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:26,095 INFO L225 Difference]: With dead ends: 9416 [2021-10-15 20:18:26,095 INFO L226 Difference]: Without dead ends: 3416 [2021-10-15 20:18:26,100 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2021-10-15 20:18:26,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3406. [2021-10-15 20:18:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3406 states, 3400 states have (on average 1.3005882352941176) internal successors, (4422), 3405 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3406 states and 4422 transitions. [2021-10-15 20:18:26,222 INFO L78 Accepts]: Start accepts. Automaton has 3406 states and 4422 transitions. Word has length 197 [2021-10-15 20:18:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:26,223 INFO L470 AbstractCegarLoop]: Abstraction has 3406 states and 4422 transitions. [2021-10-15 20:18:26,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 4422 transitions. [2021-10-15 20:18:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-15 20:18:26,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:26,227 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:26,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-15 20:18:26,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-15 20:18:26,442 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:26,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1185552693, now seen corresponding path program 1 times [2021-10-15 20:18:26,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:26,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685569905] [2021-10-15 20:18:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:26,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-10-15 20:18:26,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:26,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685569905] [2021-10-15 20:18:26,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685569905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:26,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:26,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:26,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126842297] [2021-10-15 20:18:26,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:26,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:26,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:26,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:26,481 INFO L87 Difference]: Start difference. First operand 3406 states and 4422 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:26,665 INFO L93 Difference]: Finished difference Result 6499 states and 8411 transitions. [2021-10-15 20:18:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:26,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 198 [2021-10-15 20:18:26,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:26,672 INFO L225 Difference]: With dead ends: 6499 [2021-10-15 20:18:26,672 INFO L226 Difference]: Without dead ends: 2981 [2021-10-15 20:18:26,676 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2021-10-15 20:18:26,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2935. [2021-10-15 20:18:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2929 states have (on average 1.2867872994195972) internal successors, (3769), 2934 states have internal predecessors, (3769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 3769 transitions. [2021-10-15 20:18:26,776 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 3769 transitions. Word has length 198 [2021-10-15 20:18:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:26,776 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 3769 transitions. [2021-10-15 20:18:26,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3769 transitions. [2021-10-15 20:18:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-10-15 20:18:26,811 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:26,811 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:26,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-15 20:18:26,811 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:26,812 INFO L82 PathProgramCache]: Analyzing trace with hash 668179624, now seen corresponding path program 1 times [2021-10-15 20:18:26,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:26,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974074816] [2021-10-15 20:18:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:26,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-10-15 20:18:26,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:26,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974074816] [2021-10-15 20:18:26,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974074816] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:26,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:26,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:26,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809135675] [2021-10-15 20:18:26,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:26,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:26,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:26,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:26,880 INFO L87 Difference]: Start difference. First operand 2935 states and 3769 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:27,070 INFO L93 Difference]: Finished difference Result 6171 states and 7896 transitions. [2021-10-15 20:18:27,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:27,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 336 [2021-10-15 20:18:27,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:27,079 INFO L225 Difference]: With dead ends: 6171 [2021-10-15 20:18:27,079 INFO L226 Difference]: Without dead ends: 3259 [2021-10-15 20:18:27,082 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3259 states. [2021-10-15 20:18:27,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3259 to 3241. [2021-10-15 20:18:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 3235 states have (on average 1.2735703245749614) internal successors, (4120), 3240 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 4120 transitions. [2021-10-15 20:18:27,194 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 4120 transitions. Word has length 336 [2021-10-15 20:18:27,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:27,194 INFO L470 AbstractCegarLoop]: Abstraction has 3241 states and 4120 transitions. [2021-10-15 20:18:27,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 4120 transitions. [2021-10-15 20:18:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-10-15 20:18:27,198 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:27,199 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:27,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-15 20:18:27,199 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:27,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:27,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2021-10-15 20:18:27,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:27,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645382821] [2021-10-15 20:18:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:27,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2021-10-15 20:18:27,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:27,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645382821] [2021-10-15 20:18:27,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645382821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:18:27,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:18:27,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 20:18:27,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026255423] [2021-10-15 20:18:27,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:18:27,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:27,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:18:27,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:27,273 INFO L87 Difference]: Start difference. First operand 3241 states and 4120 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:27,538 INFO L93 Difference]: Finished difference Result 6512 states and 8274 transitions. [2021-10-15 20:18:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:18:27,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 367 [2021-10-15 20:18:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:27,546 INFO L225 Difference]: With dead ends: 6512 [2021-10-15 20:18:27,547 INFO L226 Difference]: Without dead ends: 3294 [2021-10-15 20:18:27,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:18:27,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-15 20:18:27,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 2994. [2021-10-15 20:18:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2994 states, 2988 states have (on average 1.2740963855421688) internal successors, (3807), 2993 states have internal predecessors, (3807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3807 transitions. [2021-10-15 20:18:27,652 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3807 transitions. Word has length 367 [2021-10-15 20:18:27,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:27,653 INFO L470 AbstractCegarLoop]: Abstraction has 2994 states and 3807 transitions. [2021-10-15 20:18:27,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3807 transitions. [2021-10-15 20:18:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-10-15 20:18:27,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:18:27,657 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:18:27,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-15 20:18:27,658 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-10-15 20:18:27,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:18:27,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2021-10-15 20:18:27,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:18:27,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002507366] [2021-10-15 20:18:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:27,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:18:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-10-15 20:18:27,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:18:27,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002507366] [2021-10-15 20:18:27,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002507366] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:27,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701184117] [2021-10-15 20:18:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:18:27,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:18:27,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:18:27,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:18:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-15 20:18:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:18:28,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 20:18:28,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:18:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-10-15 20:18:29,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701184117] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 20:18:29,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:18:29,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-15 20:18:29,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243522621] [2021-10-15 20:18:29,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-15 20:18:29,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:18:29,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-15 20:18:29,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-15 20:18:29,244 INFO L87 Difference]: Start difference. First operand 2994 states and 3807 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:18:29,462 INFO L93 Difference]: Finished difference Result 4038 states and 5131 transitions. [2021-10-15 20:18:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:18:29,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 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 400 [2021-10-15 20:18:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:18:29,464 INFO L225 Difference]: With dead ends: 4038 [2021-10-15 20:18:29,464 INFO L226 Difference]: Without dead ends: 0 [2021-10-15 20:18:29,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-15 20:18:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-15 20:18:29,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-15 20:18:29,468 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) [2021-10-15 20:18:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-15 20:18:29,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2021-10-15 20:18:29,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:18:29,469 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:18:29,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:18:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:18:29,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-15 20:18:29,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-15 20:18:29,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-15 20:18:29,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-10-15 20:18:29,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-15 20:18:29,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:29,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:29,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:30,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:31,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:31,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:31,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:32,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-15 20:18:42,316 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2021-10-15 20:18:42,316 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 667) no Hoare annotation was computed. [2021-10-15 20:18:42,316 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 639) no Hoare annotation was computed. [2021-10-15 20:18:42,316 INFO L857 garLoopResultBuilder]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2021-10-15 20:18:42,317 INFO L857 garLoopResultBuilder]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2021-10-15 20:18:42,317 INFO L853 garLoopResultBuilder]: At program point L399(lines 390 421) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-10-15 20:18:42,317 INFO L853 garLoopResultBuilder]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse5 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse7 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse6) (and (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse6) (and .cse0 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse7 .cse0 .cse4 .cse6 .cse8))) [2021-10-15 20:18:42,318 INFO L853 garLoopResultBuilder]: At program point L135(lines 128 619) 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 (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse9 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse15 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse12 .cse13 .cse14 .cse15 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse14 .cse15 .cse16))) [2021-10-15 20:18:42,318 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-15 20:18:42,318 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-10-15 20:18:42,318 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-10-15 20:18:42,318 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 407) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 594) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 605) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 616) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 627) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-15 20:18:42,319 INFO L853 garLoopResultBuilder]: At program point L204(lines 200 595) the Hoare annotation is: (let ((.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3))) [2021-10-15 20:18:42,320 INFO L853 garLoopResultBuilder]: At program point L105(lines 104 627) the Hoare annotation is: false [2021-10-15 20:18:42,320 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-10-15 20:18:42,320 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,320 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 244) no Hoare annotation was computed. [2021-10-15 20:18:42,320 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 593) no Hoare annotation was computed. [2021-10-15 20:18:42,320 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 604) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 615) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 626) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L504-2(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,321 INFO L857 garLoopResultBuilder]: For program point L504-3(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,322 INFO L853 garLoopResultBuilder]: At program point L207(lines 206 593) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-10-15 20:18:42,322 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-15 20:18:42,322 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse12 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse7 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse17 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse16 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse16 .cse8 .cse10 .cse11 .cse13 .cse14 .cse15 .cse17))) [2021-10-15 20:18:42,322 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 83) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 603) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 614) no Hoare annotation was computed. [2021-10-15 20:18:42,323 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 625) no Hoare annotation was computed. [2021-10-15 20:18:42,324 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,324 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 583) no Hoare annotation was computed. [2021-10-15 20:18:42,324 INFO L857 garLoopResultBuilder]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2021-10-15 20:18:42,324 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2021-10-15 20:18:42,324 INFO L853 garLoopResultBuilder]: At program point L210(lines 209 592) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-10-15 20:18:42,325 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-15 20:18:42,325 INFO L857 garLoopResultBuilder]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2021-10-15 20:18:42,325 INFO L853 garLoopResultBuilder]: At program point L409(lines 400 420) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-10-15 20:18:42,325 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-15 20:18:42,325 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,325 INFO L860 garLoopResultBuilder]: At program point L674(lines 66 676) the Hoare annotation is: true [2021-10-15 20:18:42,326 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2021-10-15 20:18:42,326 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 547) no Hoare annotation was computed. [2021-10-15 20:18:42,326 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 602) no Hoare annotation was computed. [2021-10-15 20:18:42,326 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 613) no Hoare annotation was computed. [2021-10-15 20:18:42,326 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 624) no Hoare annotation was computed. [2021-10-15 20:18:42,326 INFO L860 garLoopResultBuilder]: At program point L675(lines 11 677) the Hoare annotation is: true [2021-10-15 20:18:42,327 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2021-10-15 20:18:42,327 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 449) no Hoare annotation was computed. [2021-10-15 20:18:42,327 INFO L853 garLoopResultBuilder]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse4 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5))) [2021-10-15 20:18:42,327 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 614) 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 (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-15 20:18:42,328 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,328 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-10-15 20:18:42,328 INFO L853 garLoopResultBuilder]: At program point L214(lines 107 626) the Hoare annotation is: false [2021-10-15 20:18:42,328 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,328 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 601) no Hoare annotation was computed. [2021-10-15 20:18:42,328 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 612) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 623) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2021-10-15 20:18:42,329 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 600) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 611) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 622) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 382) no Hoare annotation was computed. [2021-10-15 20:18:42,330 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-15 20:18:42,331 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-10-15 20:18:42,331 INFO L857 garLoopResultBuilder]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-10-15 20:18:42,331 INFO L853 garLoopResultBuilder]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse4 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5))) [2021-10-15 20:18:42,331 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 612) 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 (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse13 .cse14))) [2021-10-15 20:18:42,331 INFO L857 garLoopResultBuilder]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 599) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 610) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 621) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 381) no Hoare annotation was computed. [2021-10-15 20:18:42,332 INFO L857 garLoopResultBuilder]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2021-10-15 20:18:42,333 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 622) the Hoare annotation is: false [2021-10-15 20:18:42,333 INFO L853 garLoopResultBuilder]: At program point L553(lines 66 676) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2021-10-15 20:18:42,333 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 378) no Hoare annotation was computed. [2021-10-15 20:18:42,333 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-15 20:18:42,333 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 268) no Hoare annotation was computed. [2021-10-15 20:18:42,333 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 262) no Hoare annotation was computed. [2021-10-15 20:18:42,333 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 598) no Hoare annotation was computed. [2021-10-15 20:18:42,334 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 609) no Hoare annotation was computed. [2021-10-15 20:18:42,334 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 620) no Hoare annotation was computed. [2021-10-15 20:18:42,334 INFO L860 garLoopResultBuilder]: At program point L687(lines 678 689) the Hoare annotation is: true [2021-10-15 20:18:42,334 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 504) no Hoare annotation was computed. [2021-10-15 20:18:42,334 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 421) no Hoare annotation was computed. [2021-10-15 20:18:42,334 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-15 20:18:42,335 INFO L857 garLoopResultBuilder]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,335 INFO L853 garLoopResultBuilder]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse10 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse6 .cse8 .cse11) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse11) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) [2021-10-15 20:18:42,335 INFO L853 garLoopResultBuilder]: At program point L159(lines 155 610) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-10-15 20:18:42,336 INFO L853 garLoopResultBuilder]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) [2021-10-15 20:18:42,336 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 528) no Hoare annotation was computed. [2021-10-15 20:18:42,336 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-15 20:18:42,336 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 377) no Hoare annotation was computed. [2021-10-15 20:18:42,336 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2021-10-15 20:18:42,336 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-15 20:18:42,337 INFO L853 garLoopResultBuilder]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse13 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse19 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse23 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse9 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse17 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse27 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse29 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse14 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11) (and .cse5 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse6 .cse12 .cse9 .cse13 .cse10) (and .cse14 .cse12 .cse15 .cse13 .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse14 .cse15 .cse16 .cse26 .cse27 .cse28) (and .cse29 .cse14 .cse12 .cse13 .cse16 .cse18) (and .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse14 .cse7 .cse1 .cse16 .cse26 .cse27 .cse4) (and .cse0 .cse14 .cse16 .cse3 .cse4 .cse18) (and .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse14 .cse15 .cse16 .cse26 .cse11 .cse27) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse28) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse28) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse12 .cse15 .cse17) (and .cse14 .cse16 .cse27 .cse18) (and .cse29 .cse14 .cse16 .cse18 .cse28))) [2021-10-15 20:18:42,337 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-10-15 20:18:42,337 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-15 20:18:42,337 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-15 20:18:42,337 INFO L857 garLoopResultBuilder]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2021-10-15 20:18:42,338 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 597) no Hoare annotation was computed. [2021-10-15 20:18:42,338 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 608) no Hoare annotation was computed. [2021-10-15 20:18:42,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2021-10-15 20:18:42,338 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 619) no Hoare annotation was computed. [2021-10-15 20:18:42,338 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-15 20:18:42,339 INFO L857 garLoopResultBuilder]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2021-10-15 20:18:42,339 INFO L860 garLoopResultBuilder]: At program point L659(lines 100 660) the Hoare annotation is: true [2021-10-15 20:18:42,339 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 596) no Hoare annotation was computed. [2021-10-15 20:18:42,339 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 607) no Hoare annotation was computed. [2021-10-15 20:18:42,339 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 618) no Hoare annotation was computed. [2021-10-15 20:18:42,339 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-15 20:18:42,340 INFO L857 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2021-10-15 20:18:42,340 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 248) no Hoare annotation was computed. [2021-10-15 20:18:42,340 INFO L857 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2021-10-15 20:18:42,340 INFO L853 garLoopResultBuilder]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse5 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse9 .cse6 .cse3 .cse5 .cse8))) [2021-10-15 20:18:42,340 INFO L853 garLoopResultBuilder]: At program point L165(lines 161 608) 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 (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 .cse13 .cse14))) [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 656) no Hoare annotation was computed. [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 653) no Hoare annotation was computed. [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 567) no Hoare annotation was computed. [2021-10-15 20:18:42,341 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-15 20:18:42,342 INFO L857 garLoopResultBuilder]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2021-10-15 20:18:42,342 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-10-15 20:18:42,342 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2021-10-15 20:18:42,342 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-10-15 20:18:42,342 INFO L853 garLoopResultBuilder]: At program point L365(lines 348 383) 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 (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse8 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse13 .cse14))) [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L266(line 266) no Hoare annotation was computed. [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 238) no Hoare annotation was computed. [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 595) no Hoare annotation was computed. [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 606) no Hoare annotation was computed. [2021-10-15 20:18:42,343 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 617) no Hoare annotation was computed. [2021-10-15 20:18:42,344 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse13 (<= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse0 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse19 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse23 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384))) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse9 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse17 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse27 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse29 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse14 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11) (and .cse5 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse6 .cse12 .cse9 .cse13 .cse10) (and .cse14 .cse12 .cse15 .cse13 .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse14 .cse15 .cse16 .cse26 .cse27 .cse28) (and .cse29 .cse14 .cse12 .cse13 .cse16 .cse18) (and .cse19 .cse20 .cse22 .cse23 .cse24 .cse25 .cse14 .cse7 .cse1 .cse16 .cse26 .cse27 .cse4) (and .cse0 .cse14 .cse16 .cse3 .cse4 .cse18) (and .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse14 .cse15 .cse16 .cse26 .cse11 .cse27) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse28) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse28) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8640) .cse12 .cse15 .cse17) (and .cse14 .cse16 .cse27 .cse18) (and .cse29 .cse14 .cse16 .cse18 .cse28))) [2021-10-15 20:18:42,348 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:18:42,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:18:42 BoogieIcfgContainer [2021-10-15 20:18:42,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:18:42,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:18:42,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:18:42,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:18:42,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:18:03" (3/4) ... [2021-10-15 20:18:42,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-15 20:18:42,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-15 20:18:42,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-15 20:18:42,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 20:18:42,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 20:18:42,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 20:18:42,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:18:42,641 INFO L168 Benchmark]: Toolchain (without parser) took 40272.06 ms. Allocated memory was 88.1 MB in the beginning and 463.5 MB in the end (delta: 375.4 MB). Free memory was 51.0 MB in the beginning and 366.0 MB in the end (delta: -315.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,641 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:18:42,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.27 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 50.7 MB in the beginning and 79.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.93 ms. Allocated memory is still 109.1 MB. Free memory was 79.6 MB in the beginning and 76.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,644 INFO L168 Benchmark]: Boogie Preprocessor took 79.16 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 74.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,644 INFO L168 Benchmark]: RCFGBuilder took 740.77 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 45.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,645 INFO L168 Benchmark]: TraceAbstraction took 38723.34 ms. Allocated memory was 109.1 MB in the beginning and 463.5 MB in the end (delta: 354.4 MB). Free memory was 45.0 MB in the beginning and 378.6 MB in the end (delta: -333.5 MB). Peak memory consumption was 286.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,645 INFO L168 Benchmark]: Witness Printer took 188.41 ms. Allocated memory is still 463.5 MB. Free memory was 378.6 MB in the beginning and 366.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:18:42,647 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 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.27 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 50.7 MB in the beginning and 79.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.93 ms. Allocated memory is still 109.1 MB. Free memory was 79.6 MB in the beginning and 76.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.16 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 74.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 740.77 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 45.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 38723.34 ms. Allocated memory was 109.1 MB in the beginning and 463.5 MB in the end (delta: 354.4 MB). Free memory was 45.0 MB in the beginning and 378.6 MB in the end (delta: -333.5 MB). Peak memory consumption was 286.3 MB. Max. memory is 16.1 GB. * Witness Printer took 188.41 ms. Allocated memory is still 463.5 MB. Free memory was 378.6 MB in the beginning and 366.0 MB in the end (delta: 12.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 504]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 38559.4ms, OverallIterations: 40, TraceHistogramMax: 14, EmptinessCheckTime: 196.0ms, AutomataDifference: 8752.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 12625.7ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7237 SDtfs, 5953 SDslu, 4024 SDs, 0 SdLazy, 4365 SolverSat, 1145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4145.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2025 GetRequests, 1970 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 164.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4653occurred in iteration=35, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2954.0ms AutomataMinimizationTime, 40 MinimizatonAttempts, 5557 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 249 NumberOfFragments, 2657 HoareAnnotationTreeSize, 29 FomulaSimplifications, 303701 FormulaSimplificationTreeSizeReduction, 3043.8ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 93760 FormulaSimplificationTreeSizeReductionInter, 9560.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 282.1ms SsaConstructionTime, 882.4ms SatisfiabilityAnalysisTime, 6393.6ms InterpolantComputationTime, 5877 NumberOfCodeBlocks, 5877 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 5833 ConstructedInterpolants, 0 QuantifiedInterpolants, 9610 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3902 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 44 InterpolantComputations, 36 PerfectInterpolantSequences, 11045/11093 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 8 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((s__state <= 8640 && 8576 <= s__state) && !(s__hit == 0)) && 2 == blastFlag) || (((!(8576 == s__state) && s__state <= 8640) && 8576 <= s__state) && 2 == blastFlag)) || (((!(8576 == s__state) && s__state <= 8640) && 8576 <= s__state) && blastFlag <= 1)) || (((s__state <= 8640 && 8576 <= s__state) && !(s__hit == 0)) && blastFlag <= 1) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(8192 == s__state) && blastFlag <= 3) && !(s__hit == 0)) && 3 <= blastFlag) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && blastFlag <= 3) && 3 <= blastFlag) && !(s__state == 8195)) && s__state <= 8448)) || (((((8576 <= s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) && s__state <= 8448)) || (((((!(8192 == s__state) && !(s__hit == 0)) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448) && blastFlag <= 1)) || ((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && blastFlag <= 3) && !(12292 == s__state)) && !(s__hit == 0)) && !(24576 == s__state)) && 8640 <= s__state) || (((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__hit == 0)) && !(24576 == s__state)) && blastFlag <= 1)) || (((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__hit == 0)) && !(24576 == s__state)) && 2 == blastFlag)) || (((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && blastFlag <= 1)) || (((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && 2 == blastFlag) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1) || (((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && blastFlag <= 2) && !(s__state == 8512))) || (((((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && blastFlag <= 2) && !(s__state == 8512) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((8672 <= s__state && !(s__state == 16384)) && !(12292 == s__state)) && !(24576 == s__state)) && blastFlag <= 1) || (((((8672 <= s__state && !(s__state == 16384)) && blastFlag <= 3) && !(12292 == s__state)) && 3 <= blastFlag) && !(24576 == s__state)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) || (((((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512))) || (((((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8560 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1)) || (((((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((8576 <= s__s3__tmp__next_state___0 && s__state <= 8640) && 8576 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) || ((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && 2 == blastFlag)) || ((((((!(s__state == 8673) && 8672 <= s__state) && !(s__state == 16384)) && blastFlag <= 3) && !(12292 == s__state)) && 3 <= blastFlag) && !(24576 == s__state))) || ((((((!(8192 == s__state) && blastFlag <= 3) && !(s__hit == 0)) && 3 <= blastFlag) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && blastFlag <= 1)) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && blastFlag <= 3) && 3 <= blastFlag) && !(s__state == 8195)) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && s__state <= 8640) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && blastFlag <= 2)) || (((((8576 <= s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((((!(8192 == s__state) && !(s__hit == 0)) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448) && blastFlag <= 1)) || (((((((!(s__state == 8673) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && blastFlag <= 1)) || (((s__state == 8640 && blastFlag <= 3) && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0)) || (((!(8192 == s__state) && !(s__state == 8195)) && !(8448 == s__state)) && s__state <= 8448)) || ((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) - InvariantResult [Line: 143]: 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)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(s__state == 8528)) && !(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__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(s__state == 8528)) && !(8448 == s__state)) && blastFlag <= 1) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((8576 <= s__s3__tmp__next_state___0 && s__state <= 8640) && 8576 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) || ((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && 2 == blastFlag)) || ((((((!(s__state == 8673) && 8672 <= s__state) && !(s__state == 16384)) && blastFlag <= 3) && !(12292 == s__state)) && 3 <= blastFlag) && !(24576 == s__state))) || ((((((!(8192 == s__state) && blastFlag <= 3) && !(s__hit == 0)) && 3 <= blastFlag) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && blastFlag <= 1)) || (((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && blastFlag <= 3) && 3 <= blastFlag) && !(s__state == 8195)) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && s__state <= 8640) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && blastFlag <= 2)) || (((((8576 <= s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) && s__state <= 8448)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(s__hit == 0)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((((!(8192 == s__state) && !(s__hit == 0)) && !(s__state == 8195)) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8448) && blastFlag <= 1)) || (((((((!(s__state == 8673) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && blastFlag <= 1)) || (((s__state == 8640 && blastFlag <= 3) && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0)) || (((!(8192 == s__state) && !(s__state == 8195)) && !(8448 == s__state)) && s__state <= 8448)) || ((((3 == s__s3__tmp__next_state___0 && !(8192 == s__state)) && !(s__state == 8195)) && s__state <= 8448) && blastFlag <= 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && !(8448 == s__state)) && !(s__state == 8512)) && blastFlag <= 1) || (((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && !(s__state == 8512)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && blastFlag <= 2) && !(s__state == 8512) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__hit == 0)) && !(24576 == s__state)) && blastFlag <= 1) || (((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && 2 == blastFlag)) || (((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(8576 == s__state)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(12292 == s__state)) && !(24576 == s__state)) && blastFlag <= 1)) || (((((((((!(s__state == 8673) && !(s__state == 8672)) && !(s__state == 16384)) && !(s__state == 8657)) && !(s__state == 8656)) && 8576 <= s__state) && !(12292 == s__state)) && !(s__hit == 0)) && !(24576 == s__state)) && 2 == blastFlag)) || (((s__state == 8640 && blastFlag <= 3) && !(s__hit == 0)) && 8640 == s__s3__tmp__next_state___0) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((s__state <= 8640 && 8576 <= s__state) && 2 == blastFlag) || ((s__state <= 8640 && 8576 <= s__state) && blastFlag <= 1) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((s__state <= 8640 && 8576 <= s__state) && !(s__hit == 0)) && 2 == blastFlag) || (((!(8576 == s__state) && s__state <= 8640) && 8576 <= s__state) && 2 == blastFlag)) || (((!(8576 == s__state) && s__state <= 8640) && 8576 <= s__state) && blastFlag <= 1)) || (((s__state <= 8640 && 8576 <= s__state) && !(s__hit == 0)) && blastFlag <= 1) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__state == 8529)) && !(8192 == s__state)) && !(8576 == s__state)) && !(8560 == s__state)) && !(s__state == 8195)) && !(s__state == 8528)) && !(8448 == s__state)) && blastFlag <= 2) && !(s__state == 8512) RESULT: Ultimate proved your program to be correct! [2021-10-15 20:18:42,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06eee928-7283-4fb3-8aca-9dec6bdf5b6e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...