./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa --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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:24:12,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:24:12,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:24:12,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:24:12,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:24:12,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:24:12,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:24:12,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:24:12,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:24:12,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:24:12,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:24:12,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:24:12,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:24:12,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:24:12,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:24:12,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:24:12,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:24:12,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:24:12,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:24:12,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:24:12,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:24:12,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:24:12,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:24:12,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:24:12,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:24:12,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:24:12,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:24:12,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:24:12,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:24:12,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:24:12,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:24:12,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:24:12,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:24:12,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:24:12,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:24:12,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:24:12,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:24:12,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:24:12,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:24:12,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:24:12,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:24:12,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-06 22:24:12,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:24:12,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:24:12,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:24:12,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:24:12,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:24:12,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:24:12,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:24:12,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:24:12,250 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:24:12,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:24:12,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:24:12,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:24:12,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:24:12,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:24:12,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:24:12,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:24:12,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:24:12,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:24:12,252 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 22:24:12,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:24:12,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:24:12,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:24:12,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:24:12,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:24:12,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:24:12,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:24:12,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:24:12,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:24:12,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:24:12,255 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_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2021-12-06 22:24:12,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:24:12,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:24:12,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:24:12,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:24:12,452 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:24:12,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/recursive/recHanoi01.c [2021-12-06 22:24:12,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/data/b3356b590/fa96f81a400c421ca5218164505e7cd1/FLAG4951992dc [2021-12-06 22:24:12,853 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:24:12,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/sv-benchmarks/c/recursive/recHanoi01.c [2021-12-06 22:24:12,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/data/b3356b590/fa96f81a400c421ca5218164505e7cd1/FLAG4951992dc [2021-12-06 22:24:12,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/data/b3356b590/fa96f81a400c421ca5218164505e7cd1 [2021-12-06 22:24:12,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:24:12,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:24:12,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:24:12,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:24:12,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:24:12,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:24:12" (1/1) ... [2021-12-06 22:24:12,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee3b1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:12, skipping insertion in model container [2021-12-06 22:24:12,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:24:12" (1/1) ... [2021-12-06 22:24:12,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:24:12,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:24:12,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2021-12-06 22:24:12,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:24:12,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:24:13,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2021-12-06 22:24:13,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:24:13,020 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:24:13,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13 WrapperNode [2021-12-06 22:24:13,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:24:13,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:24:13,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:24:13,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:24:13,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,046 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-12-06 22:24:13,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:24:13,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:24:13,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:24:13,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:24:13,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:24:13,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:24:13,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:24:13,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:24:13,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (1/1) ... [2021-12-06 22:24:13,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:24:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:13,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:24:13,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:24:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:24:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2021-12-06 22:24:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2021-12-06 22:24:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2021-12-06 22:24:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2021-12-06 22:24:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:24:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:24:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:24:13,189 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:24:13,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:24:13,311 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:24:13,317 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:24:13,317 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:24:13,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:24:13 BoogieIcfgContainer [2021-12-06 22:24:13,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:24:13,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:24:13,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:24:13,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:24:13,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:24:12" (1/3) ... [2021-12-06 22:24:13,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c664595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:24:13, skipping insertion in model container [2021-12-06 22:24:13,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:13" (2/3) ... [2021-12-06 22:24:13,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c664595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:24:13, skipping insertion in model container [2021-12-06 22:24:13,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:24:13" (3/3) ... [2021-12-06 22:24:13,327 INFO L111 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2021-12-06 22:24:13,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:24:13,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-12-06 22:24:13,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:24:13,374 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-12-06 22:24:13,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-12-06 22:24:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 22:24:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-06 22:24:13,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:13,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:13,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:13,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:13,396 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2021-12-06 22:24:13,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330644922] [2021-12-06 22:24:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:13,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:13,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330644922] [2021-12-06 22:24:13,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330644922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:13,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:13,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:24:13,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344217398] [2021-12-06 22:24:13,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:13,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:24:13,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:24:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:24:13,563 INFO L87 Difference]: Start difference. First operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:13,614 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2021-12-06 22:24:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:24:13,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-12-06 22:24:13,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:13,622 INFO L225 Difference]: With dead ends: 83 [2021-12-06 22:24:13,622 INFO L226 Difference]: Without dead ends: 66 [2021-12-06 22:24:13,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:24:13,627 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:13,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:13,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-06 22:24:13,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2021-12-06 22:24:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 22:24:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2021-12-06 22:24:13,658 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2021-12-06 22:24:13,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:13,659 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-12-06 22:24:13,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2021-12-06 22:24:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 22:24:13,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:13,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:13,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:24:13,660 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:13,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:13,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2021-12-06 22:24:13,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:13,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693914240] [2021-12-06 22:24:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:13,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:13,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:13,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693914240] [2021-12-06 22:24:13,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693914240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:13,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:13,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:24:13,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979589383] [2021-12-06 22:24:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:13,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:24:13,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:13,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:24:13,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:24:13,701 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:13,740 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2021-12-06 22:24:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:24:13,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 22:24:13,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:13,742 INFO L225 Difference]: With dead ends: 47 [2021-12-06 22:24:13,743 INFO L226 Difference]: Without dead ends: 45 [2021-12-06 22:24:13,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:24:13,744 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:13,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-12-06 22:24:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-12-06 22:24:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 38 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 22:24:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-12-06 22:24:13,752 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 9 [2021-12-06 22:24:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:13,752 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-12-06 22:24:13,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-12-06 22:24:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 22:24:13,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:13,753 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:13,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:24:13,753 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:13,754 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2021-12-06 22:24:13,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:13,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157044093] [2021-12-06 22:24:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:13,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:13,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157044093] [2021-12-06 22:24:13,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157044093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:13,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:13,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:24:13,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926955646] [2021-12-06 22:24:13,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:13,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:24:13,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:13,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:24:13,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:24:13,791 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:13,831 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2021-12-06 22:24:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:24:13,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 22:24:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:13,833 INFO L225 Difference]: With dead ends: 74 [2021-12-06 22:24:13,833 INFO L226 Difference]: Without dead ends: 51 [2021-12-06 22:24:13,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:24:13,835 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 13 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:13,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 143 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-06 22:24:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-12-06 22:24:13,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-06 22:24:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2021-12-06 22:24:13,843 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2021-12-06 22:24:13,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:13,843 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2021-12-06 22:24:13,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2021-12-06 22:24:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 22:24:13,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:13,844 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:13,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:24:13,845 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:13,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:13,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2021-12-06 22:24:13,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:13,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043632947] [2021-12-06 22:24:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:13,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:13,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:13,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043632947] [2021-12-06 22:24:13,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043632947] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17584347] [2021-12-06 22:24:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:13,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:13,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:13,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:13,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:24:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:13,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:24:13,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17584347] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:14,073 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:14,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-12-06 22:24:14,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402327348] [2021-12-06 22:24:14,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:14,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 22:24:14,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:14,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:24:14,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:24:14,075 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:14,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:14,194 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2021-12-06 22:24:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 22:24:14,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-12-06 22:24:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:14,198 INFO L225 Difference]: With dead ends: 161 [2021-12-06 22:24:14,198 INFO L226 Difference]: Without dead ends: 160 [2021-12-06 22:24:14,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:24:14,200 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 118 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:14,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 321 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:24:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-06 22:24:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 89. [2021-12-06 22:24:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 72 states have internal predecessors, (80), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2021-12-06 22:24:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2021-12-06 22:24:14,215 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 14 [2021-12-06 22:24:14,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:14,215 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2021-12-06 22:24:14,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2021-12-06 22:24:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 22:24:14,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:14,216 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:14,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:24:14,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:14,417 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2021-12-06 22:24:14,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:14,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682655798] [2021-12-06 22:24:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:14,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:14,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682655798] [2021-12-06 22:24:14,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682655798] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:14,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107517557] [2021-12-06 22:24:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:14,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:14,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:14,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:14,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:24:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:14,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:24:14,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:24:14,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107517557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:14,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:24:14,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 22:24:14,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190817447] [2021-12-06 22:24:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:14,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:24:14,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:24:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:24:14,589 INFO L87 Difference]: Start difference. First operand 89 states and 122 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:14,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:14,610 INFO L93 Difference]: Finished difference Result 89 states and 122 transitions. [2021-12-06 22:24:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:24:14,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-06 22:24:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:14,612 INFO L225 Difference]: With dead ends: 89 [2021-12-06 22:24:14,613 INFO L226 Difference]: Without dead ends: 88 [2021-12-06 22:24:14,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:24:14,614 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:14,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:14,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-06 22:24:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-06 22:24:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.305084745762712) internal successors, (77), 71 states have internal predecessors, (77), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2021-12-06 22:24:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-12-06 22:24:14,634 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 15 [2021-12-06 22:24:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:14,635 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-12-06 22:24:14,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-12-06 22:24:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 22:24:14,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:14,635 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:14,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:24:14,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:14,838 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:14,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:14,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2145430299, now seen corresponding path program 1 times [2021-12-06 22:24:14,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:14,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252734716] [2021-12-06 22:24:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:14,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:14,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252734716] [2021-12-06 22:24:14,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252734716] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:14,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926347861] [2021-12-06 22:24:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:14,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:14,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:14,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:14,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:24:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:14,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:24:14,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:14,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:15,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926347861] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:15,029 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:15,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 22:24:15,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811732793] [2021-12-06 22:24:15,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:15,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 22:24:15,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:15,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:24:15,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:24:15,030 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:15,089 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2021-12-06 22:24:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:24:15,089 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-06 22:24:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:15,090 INFO L225 Difference]: With dead ends: 94 [2021-12-06 22:24:15,090 INFO L226 Difference]: Without dead ends: 92 [2021-12-06 22:24:15,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:24:15,091 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 51 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:15,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 181 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-06 22:24:15,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-06 22:24:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 72 states have internal predecessors, (74), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2021-12-06 22:24:15,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-12-06 22:24:15,102 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 17 [2021-12-06 22:24:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:15,102 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-12-06 22:24:15,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-12-06 22:24:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 22:24:15,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:15,103 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:15,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:24:15,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:15,305 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:15,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:15,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2021-12-06 22:24:15,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:15,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827847540] [2021-12-06 22:24:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:15,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:24:15,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:15,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827847540] [2021-12-06 22:24:15,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827847540] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:15,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479286857] [2021-12-06 22:24:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:15,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:15,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:15,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:15,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:24:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:24:15,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:15,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:24:15,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479286857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:15,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:24:15,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2021-12-06 22:24:15,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573890953] [2021-12-06 22:24:15,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:15,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:24:15,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:15,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:24:15,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:24:15,491 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:24:15,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:15,510 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2021-12-06 22:24:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:24:15,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2021-12-06 22:24:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:15,512 INFO L225 Difference]: With dead ends: 92 [2021-12-06 22:24:15,512 INFO L226 Difference]: Without dead ends: 91 [2021-12-06 22:24:15,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:24:15,514 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:15,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 101 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:15,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-06 22:24:15,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-12-06 22:24:15,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 71 states have internal predecessors, (73), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2021-12-06 22:24:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-12-06 22:24:15,528 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 28 [2021-12-06 22:24:15,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:15,529 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-12-06 22:24:15,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:24:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-12-06 22:24:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 22:24:15,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:15,530 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:15,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 22:24:15,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:15,733 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:15,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:15,734 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2021-12-06 22:24:15,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:15,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995304149] [2021-12-06 22:24:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:15,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:15,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:15,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995304149] [2021-12-06 22:24:15,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995304149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:15,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:15,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:24:15,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852370553] [2021-12-06 22:24:15,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:15,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:24:15,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:15,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:24:15,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:24:15,823 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:24:15,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:15,892 INFO L93 Difference]: Finished difference Result 110 states and 139 transitions. [2021-12-06 22:24:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:24:15,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-12-06 22:24:15,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:15,893 INFO L225 Difference]: With dead ends: 110 [2021-12-06 22:24:15,893 INFO L226 Difference]: Without dead ends: 107 [2021-12-06 22:24:15,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:24:15,894 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:15,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 95 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-06 22:24:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2021-12-06 22:24:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 79 states have internal predecessors, (85), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2021-12-06 22:24:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2021-12-06 22:24:15,907 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 29 [2021-12-06 22:24:15,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:15,907 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2021-12-06 22:24:15,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:24:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2021-12-06 22:24:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 22:24:15,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:15,909 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:15,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:24:15,910 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:15,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1461802605, now seen corresponding path program 1 times [2021-12-06 22:24:15,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:15,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609599699] [2021-12-06 22:24:15,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:15,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:15,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:15,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609599699] [2021-12-06 22:24:15,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609599699] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:15,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965402497] [2021-12-06 22:24:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:15,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:15,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:15,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:15,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:24:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:15,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:24:15,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:16,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:16,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965402497] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:16,107 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:16,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2021-12-06 22:24:16,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967712915] [2021-12-06 22:24:16,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:16,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 22:24:16,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:16,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 22:24:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:24:16,108 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 22:24:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:16,288 INFO L93 Difference]: Finished difference Result 162 states and 195 transitions. [2021-12-06 22:24:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:24:16,289 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2021-12-06 22:24:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:16,290 INFO L225 Difference]: With dead ends: 162 [2021-12-06 22:24:16,290 INFO L226 Difference]: Without dead ends: 161 [2021-12-06 22:24:16,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2021-12-06 22:24:16,291 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 265 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:16,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 135 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:24:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-06 22:24:16,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2021-12-06 22:24:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 109 states have internal predecessors, (130), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2021-12-06 22:24:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2021-12-06 22:24:16,304 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 34 [2021-12-06 22:24:16,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:16,305 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2021-12-06 22:24:16,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 22:24:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2021-12-06 22:24:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 22:24:16,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:16,307 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-12-06 22:24:16,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:24:16,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:16,508 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:16,510 INFO L85 PathProgramCache]: Analyzing trace with hash 770953962, now seen corresponding path program 2 times [2021-12-06 22:24:16,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:16,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633452245] [2021-12-06 22:24:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:16,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:16,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:16,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633452245] [2021-12-06 22:24:16,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633452245] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:16,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464976643] [2021-12-06 22:24:16,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:24:16,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:16,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:16,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 22:24:16,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:24:16,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:16,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 22:24:16,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:16,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:16,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464976643] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:16,897 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:16,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2021-12-06 22:24:16,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506911374] [2021-12-06 22:24:16,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:16,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 22:24:16,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:16,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 22:24:16,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:24:16,899 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:17,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:17,250 INFO L93 Difference]: Finished difference Result 835 states and 1189 transitions. [2021-12-06 22:24:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 22:24:17,250 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-12-06 22:24:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:17,258 INFO L225 Difference]: With dead ends: 835 [2021-12-06 22:24:17,258 INFO L226 Difference]: Without dead ends: 834 [2021-12-06 22:24:17,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2021-12-06 22:24:17,260 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 657 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:17,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 530 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:24:17,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2021-12-06 22:24:17,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 239. [2021-12-06 22:24:17,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 173 states have (on average 1.2023121387283238) internal successors, (208), 187 states have internal predecessors, (208), 36 states have call successors, (36), 16 states have call predecessors, (36), 24 states have return successors, (164), 35 states have call predecessors, (164), 35 states have call successors, (164) [2021-12-06 22:24:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 408 transitions. [2021-12-06 22:24:17,296 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 408 transitions. Word has length 35 [2021-12-06 22:24:17,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:17,296 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 408 transitions. [2021-12-06 22:24:17,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2021-12-06 22:24:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 22:24:17,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:17,298 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:17,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 22:24:17,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 22:24:17,501 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:17,501 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2021-12-06 22:24:17,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818141360] [2021-12-06 22:24:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-06 22:24:17,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:17,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818141360] [2021-12-06 22:24:17,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818141360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:17,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:17,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:24:17,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807457728] [2021-12-06 22:24:17,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:17,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:24:17,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:17,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:24:17,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:24:17,537 INFO L87 Difference]: Start difference. First operand 239 states and 408 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 22:24:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:17,589 INFO L93 Difference]: Finished difference Result 276 states and 461 transitions. [2021-12-06 22:24:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:24:17,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2021-12-06 22:24:17,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:17,593 INFO L225 Difference]: With dead ends: 276 [2021-12-06 22:24:17,593 INFO L226 Difference]: Without dead ends: 265 [2021-12-06 22:24:17,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:24:17,594 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:17,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 81 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-06 22:24:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2021-12-06 22:24:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.1734693877551021) internal successors, (230), 209 states have internal predecessors, (230), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2021-12-06 22:24:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 434 transitions. [2021-12-06 22:24:17,627 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 434 transitions. Word has length 36 [2021-12-06 22:24:17,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:17,627 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 434 transitions. [2021-12-06 22:24:17,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 22:24:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 434 transitions. [2021-12-06 22:24:17,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-06 22:24:17,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:17,630 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:17,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:24:17,630 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:17,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:17,630 INFO L85 PathProgramCache]: Analyzing trace with hash 523742200, now seen corresponding path program 2 times [2021-12-06 22:24:17,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:17,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138013312] [2021-12-06 22:24:17,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:17,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:24:17,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138013312] [2021-12-06 22:24:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138013312] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971716625] [2021-12-06 22:24:17,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:24:17,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:17,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:17,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:17,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 22:24:17,788 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:24:17,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:17,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:24:17,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:17,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:24:17,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971716625] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:17,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:18,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 28 [2021-12-06 22:24:18,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143509658] [2021-12-06 22:24:18,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:18,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-06 22:24:18,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-06 22:24:18,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2021-12-06 22:24:18,001 INFO L87 Difference]: Start difference. First operand 265 states and 434 transitions. Second operand has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-12-06 22:24:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:18,597 INFO L93 Difference]: Finished difference Result 420 states and 584 transitions. [2021-12-06 22:24:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-06 22:24:18,597 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 49 [2021-12-06 22:24:18,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:18,600 INFO L225 Difference]: With dead ends: 420 [2021-12-06 22:24:18,600 INFO L226 Difference]: Without dead ends: 419 [2021-12-06 22:24:18,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2021-12-06 22:24:18,602 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 777 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:18,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [781 Valid, 115 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 22:24:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-12-06 22:24:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 379. [2021-12-06 22:24:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 305 states have internal predecessors, (356), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2021-12-06 22:24:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 578 transitions. [2021-12-06 22:24:18,624 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 578 transitions. Word has length 49 [2021-12-06 22:24:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:18,624 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 578 transitions. [2021-12-06 22:24:18,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-12-06 22:24:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2021-12-06 22:24:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 22:24:18,625 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:18,625 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-12-06 22:24:18,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 22:24:18,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:18,826 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:18,826 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2021-12-06 22:24:18,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:18,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930781424] [2021-12-06 22:24:18,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:18,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 22:24:18,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:18,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930781424] [2021-12-06 22:24:18,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930781424] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:18,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838624978] [2021-12-06 22:24:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:18,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:18,874 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:18,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 22:24:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:18,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:24:18,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:24:18,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:24:19,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838624978] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:19,198 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:19,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 13] total 24 [2021-12-06 22:24:19,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507944438] [2021-12-06 22:24:19,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:19,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 22:24:19,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 22:24:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:24:19,200 INFO L87 Difference]: Start difference. First operand 379 states and 578 transitions. Second operand has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2021-12-06 22:24:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:19,512 INFO L93 Difference]: Finished difference Result 751 states and 1306 transitions. [2021-12-06 22:24:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 22:24:19,512 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) Word has length 48 [2021-12-06 22:24:19,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:19,518 INFO L225 Difference]: With dead ends: 751 [2021-12-06 22:24:19,518 INFO L226 Difference]: Without dead ends: 604 [2021-12-06 22:24:19,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=225, Invalid=1335, Unknown=0, NotChecked=0, Total=1560 [2021-12-06 22:24:19,521 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 171 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:19,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 140 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:24:19,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-12-06 22:24:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 569. [2021-12-06 22:24:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 434 states have (on average 1.1751152073732718) internal successors, (510), 445 states have internal predecessors, (510), 70 states have call successors, (70), 33 states have call predecessors, (70), 59 states have return successors, (398), 90 states have call predecessors, (398), 58 states have call successors, (398) [2021-12-06 22:24:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 978 transitions. [2021-12-06 22:24:19,566 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 978 transitions. Word has length 48 [2021-12-06 22:24:19,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:19,566 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 978 transitions. [2021-12-06 22:24:19,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2021-12-06 22:24:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 978 transitions. [2021-12-06 22:24:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-06 22:24:19,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:19,570 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:19,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 22:24:19,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:19,773 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash -206012584, now seen corresponding path program 3 times [2021-12-06 22:24:19,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:19,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647259198] [2021-12-06 22:24:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:19,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 2 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:24:20,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:20,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647259198] [2021-12-06 22:24:20,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647259198] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:20,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102819700] [2021-12-06 22:24:20,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:24:20,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:20,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:20,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:20,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 22:24:20,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 22:24:20,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:20,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 22:24:20,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-06 22:24:20,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-12-06 22:24:20,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102819700] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:20,278 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:20,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8, 9] total 36 [2021-12-06 22:24:20,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641576617] [2021-12-06 22:24:20,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:20,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-12-06 22:24:20,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:20,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-12-06 22:24:20,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2021-12-06 22:24:20,279 INFO L87 Difference]: Start difference. First operand 569 states and 978 transitions. Second operand has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 22:24:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:20,944 INFO L93 Difference]: Finished difference Result 1214 states and 2128 transitions. [2021-12-06 22:24:20,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-06 22:24:20,944 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2021-12-06 22:24:20,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:20,948 INFO L225 Difference]: With dead ends: 1214 [2021-12-06 22:24:20,948 INFO L226 Difference]: Without dead ends: 657 [2021-12-06 22:24:20,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1109, Invalid=4591, Unknown=0, NotChecked=0, Total=5700 [2021-12-06 22:24:20,953 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 875 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:20,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 112 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 22:24:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2021-12-06 22:24:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 612. [2021-12-06 22:24:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 474 states have (on average 1.1708860759493671) internal successors, (555), 475 states have internal predecessors, (555), 71 states have call successors, (71), 44 states have call predecessors, (71), 61 states have return successors, (303), 92 states have call predecessors, (303), 58 states have call successors, (303) [2021-12-06 22:24:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 929 transitions. [2021-12-06 22:24:20,984 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 929 transitions. Word has length 79 [2021-12-06 22:24:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:20,984 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 929 transitions. [2021-12-06 22:24:20,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 22:24:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 929 transitions. [2021-12-06 22:24:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-06 22:24:20,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:20,986 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2021-12-06 22:24:21,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 22:24:21,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:21,186 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1085664118, now seen corresponding path program 3 times [2021-12-06 22:24:21,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:21,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537183284] [2021-12-06 22:24:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:21,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:21,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:21,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537183284] [2021-12-06 22:24:21,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537183284] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:21,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714436857] [2021-12-06 22:24:21,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:24:21,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:21,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:21,369 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:21,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 22:24:21,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 22:24:21,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:21,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-06 22:24:21,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:21,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:21,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714436857] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:21,790 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:21,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2021-12-06 22:24:21,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274083370] [2021-12-06 22:24:21,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:21,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-12-06 22:24:21,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:21,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-12-06 22:24:21,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 22:24:21,792 INFO L87 Difference]: Start difference. First operand 612 states and 929 transitions. Second operand has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:22,964 INFO L93 Difference]: Finished difference Result 6545 states and 9216 transitions. [2021-12-06 22:24:22,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-06 22:24:22,965 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-12-06 22:24:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:23,007 INFO L225 Difference]: With dead ends: 6545 [2021-12-06 22:24:23,008 INFO L226 Difference]: Without dead ends: 6544 [2021-12-06 22:24:23,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2021-12-06 22:24:23,012 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 1583 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:23,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1583 Valid, 968 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 22:24:23,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-12-06 22:24:23,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 936. [2021-12-06 22:24:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 702 states have (on average 1.1324786324786325) internal successors, (795), 703 states have internal predecessors, (795), 131 states have call successors, (131), 68 states have call predecessors, (131), 97 states have return successors, (1635), 164 states have call predecessors, (1635), 118 states have call successors, (1635) [2021-12-06 22:24:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 2561 transitions. [2021-12-06 22:24:23,132 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 2561 transitions. Word has length 77 [2021-12-06 22:24:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:23,132 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 2561 transitions. [2021-12-06 22:24:23,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 2561 transitions. [2021-12-06 22:24:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-06 22:24:23,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:23,136 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:23,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 22:24:23,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:23,337 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:23,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:23,337 INFO L85 PathProgramCache]: Analyzing trace with hash -641003795, now seen corresponding path program 4 times [2021-12-06 22:24:23,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:23,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322046616] [2021-12-06 22:24:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:23,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 15 proven. 365 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-06 22:24:23,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:23,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322046616] [2021-12-06 22:24:23,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322046616] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:23,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262782842] [2021-12-06 22:24:23,628 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:24:23,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:23,629 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:23,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 22:24:23,663 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:24:23,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:23,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 22:24:23,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 53 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-12-06 22:24:23,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 61 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 22:24:24,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262782842] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:24,005 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:24,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 11, 13] total 44 [2021-12-06 22:24:24,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241365902] [2021-12-06 22:24:24,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:24,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-12-06 22:24:24,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:24,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-12-06 22:24:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1606, Unknown=0, NotChecked=0, Total=1892 [2021-12-06 22:24:24,007 INFO L87 Difference]: Start difference. First operand 936 states and 2561 transitions. Second operand has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2021-12-06 22:24:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:24,445 INFO L93 Difference]: Finished difference Result 2071 states and 5966 transitions. [2021-12-06 22:24:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-06 22:24:24,445 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 116 [2021-12-06 22:24:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:24,454 INFO L225 Difference]: With dead ends: 2071 [2021-12-06 22:24:24,455 INFO L226 Difference]: Without dead ends: 1157 [2021-12-06 22:24:24,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=608, Invalid=3298, Unknown=0, NotChecked=0, Total=3906 [2021-12-06 22:24:24,468 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 241 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:24,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 200 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:24:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-12-06 22:24:24,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1025. [2021-12-06 22:24:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 790 states have (on average 1.1151898734177215) internal successors, (881), 772 states have internal predecessors, (881), 124 states have call successors, (124), 94 states have call predecessors, (124), 106 states have return successors, (507), 158 states have call predecessors, (507), 123 states have call successors, (507) [2021-12-06 22:24:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1512 transitions. [2021-12-06 22:24:24,533 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1512 transitions. Word has length 116 [2021-12-06 22:24:24,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:24,534 INFO L470 AbstractCegarLoop]: Abstraction has 1025 states and 1512 transitions. [2021-12-06 22:24:24,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2021-12-06 22:24:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1512 transitions. [2021-12-06 22:24:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-06 22:24:24,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:24,538 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:24,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 22:24:24,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 22:24:24,738 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2021-12-06 22:24:24,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:24,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336660030] [2021-12-06 22:24:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:24,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:24:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-12-06 22:24:24,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336660030] [2021-12-06 22:24:24,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336660030] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162856168] [2021-12-06 22:24:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:24,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:24,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:24,877 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:24,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 22:24:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:24,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:24:24,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-12-06 22:24:25,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:24:25,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162856168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:25,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:24:25,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2021-12-06 22:24:25,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919583751] [2021-12-06 22:24:25,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:25,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:24:25,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:25,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:24:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:24:25,057 INFO L87 Difference]: Start difference. First operand 1025 states and 1512 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-06 22:24:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:25,105 INFO L93 Difference]: Finished difference Result 1025 states and 1512 transitions. [2021-12-06 22:24:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:24:25,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 145 [2021-12-06 22:24:25,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:25,113 INFO L225 Difference]: With dead ends: 1025 [2021-12-06 22:24:25,113 INFO L226 Difference]: Without dead ends: 1009 [2021-12-06 22:24:25,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:24:25,114 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:25,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 118 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:24:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2021-12-06 22:24:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 1009. [2021-12-06 22:24:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 778 states have (on average 1.069408740359897) internal successors, (832), 758 states have internal predecessors, (832), 124 states have call successors, (124), 94 states have call predecessors, (124), 104 states have return successors, (505), 156 states have call predecessors, (505), 123 states have call successors, (505) [2021-12-06 22:24:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1461 transitions. [2021-12-06 22:24:25,181 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1461 transitions. Word has length 145 [2021-12-06 22:24:25,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:25,181 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1461 transitions. [2021-12-06 22:24:25,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-06 22:24:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1461 transitions. [2021-12-06 22:24:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-06 22:24:25,184 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:25,184 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:25,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 22:24:25,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 22:24:25,385 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:25,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:25,385 INFO L85 PathProgramCache]: Analyzing trace with hash 852091527, now seen corresponding path program 2 times [2021-12-06 22:24:25,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:25,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936894196] [2021-12-06 22:24:25,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:25,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:24:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2021-12-06 22:24:25,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:25,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936894196] [2021-12-06 22:24:25,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936894196] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:25,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541196826] [2021-12-06 22:24:25,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:24:25,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:25,520 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:25,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 22:24:25,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:24:25,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:25,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 22:24:25,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 226 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-06 22:24:25,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 253 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-12-06 22:24:26,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541196826] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:26,285 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:26,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 19] total 28 [2021-12-06 22:24:26,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705345540] [2021-12-06 22:24:26,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:26,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 22:24:26,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:26,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 22:24:26,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:24:26,287 INFO L87 Difference]: Start difference. First operand 1009 states and 1461 transitions. Second operand has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2021-12-06 22:24:26,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:26,670 INFO L93 Difference]: Finished difference Result 1494 states and 2269 transitions. [2021-12-06 22:24:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-06 22:24:26,671 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) Word has length 156 [2021-12-06 22:24:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:26,677 INFO L225 Difference]: With dead ends: 1494 [2021-12-06 22:24:26,677 INFO L226 Difference]: Without dead ends: 1163 [2021-12-06 22:24:26,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 22:24:26,680 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 264 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:26,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 133 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:24:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-12-06 22:24:26,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1126. [2021-12-06 22:24:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 866 states have (on average 1.0612009237875288) internal successors, (919), 845 states have internal predecessors, (919), 138 states have call successors, (138), 94 states have call predecessors, (138), 119 states have return successors, (574), 186 states have call predecessors, (574), 127 states have call successors, (574) [2021-12-06 22:24:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1631 transitions. [2021-12-06 22:24:26,726 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1631 transitions. Word has length 156 [2021-12-06 22:24:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:26,726 INFO L470 AbstractCegarLoop]: Abstraction has 1126 states and 1631 transitions. [2021-12-06 22:24:26,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2021-12-06 22:24:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1631 transitions. [2021-12-06 22:24:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-06 22:24:26,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:26,731 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2021-12-06 22:24:26,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-06 22:24:26,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 22:24:26,932 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:26,933 INFO L85 PathProgramCache]: Analyzing trace with hash 17596362, now seen corresponding path program 4 times [2021-12-06 22:24:26,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:26,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94117174] [2021-12-06 22:24:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:26,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:27,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94117174] [2021-12-06 22:24:27,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94117174] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129536284] [2021-12-06 22:24:27,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:24:27,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:27,525 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:27,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 22:24:27,603 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:24:27,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:27,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 93 conjunts are in the unsatisfiable core [2021-12-06 22:24:27,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:27,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:28,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129536284] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:28,756 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:28,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2021-12-06 22:24:28,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324576658] [2021-12-06 22:24:28,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:28,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2021-12-06 22:24:28,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-12-06 22:24:28,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2021-12-06 22:24:28,760 INFO L87 Difference]: Start difference. First operand 1126 states and 1631 transitions. Second operand has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:31,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:31,436 INFO L93 Difference]: Finished difference Result 7465 states and 10315 transitions. [2021-12-06 22:24:31,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-12-06 22:24:31,436 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-12-06 22:24:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:31,466 INFO L225 Difference]: With dead ends: 7465 [2021-12-06 22:24:31,466 INFO L226 Difference]: Without dead ends: 7464 [2021-12-06 22:24:31,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2021-12-06 22:24:31,474 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 2609 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 2107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 2020 SdHoareTripleChecker+Invalid, 4365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2107 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:31,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2609 Valid, 2020 Invalid, 4365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2107 Valid, 2258 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 22:24:31,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2021-12-06 22:24:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 2038. [2021-12-06 22:24:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1538 states have (on average 1.0500650195058518) internal successors, (1615), 1493 states have internal predecessors, (1615), 282 states have call successors, (282), 190 states have call predecessors, (282), 215 states have return successors, (2416), 354 states have call predecessors, (2416), 259 states have call successors, (2416) [2021-12-06 22:24:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 4313 transitions. [2021-12-06 22:24:31,648 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 4313 transitions. Word has length 161 [2021-12-06 22:24:31,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:31,649 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 4313 transitions. [2021-12-06 22:24:31,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 4313 transitions. [2021-12-06 22:24:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-12-06 22:24:31,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:31,657 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:31,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-06 22:24:31,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:31,857 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:31,857 INFO L85 PathProgramCache]: Analyzing trace with hash -498290227, now seen corresponding path program 3 times [2021-12-06 22:24:31,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:31,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603577281] [2021-12-06 22:24:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:31,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:24:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:24:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-12-06 22:24:32,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:32,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603577281] [2021-12-06 22:24:32,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603577281] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:32,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770930386] [2021-12-06 22:24:32,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:24:32,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:32,113 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:32,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-06 22:24:32,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 22:24:32,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:32,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:24:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-12-06 22:24:32,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-12-06 22:24:32,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770930386] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:32,819 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:32,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2021-12-06 22:24:32,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282878678] [2021-12-06 22:24:32,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:32,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 22:24:32,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:32,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 22:24:32,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:24:32,821 INFO L87 Difference]: Start difference. First operand 2038 states and 4313 transitions. Second operand has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 22:24:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:32,969 INFO L93 Difference]: Finished difference Result 2420 states and 4803 transitions. [2021-12-06 22:24:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:24:32,969 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) Word has length 296 [2021-12-06 22:24:32,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:32,989 INFO L225 Difference]: With dead ends: 2420 [2021-12-06 22:24:32,989 INFO L226 Difference]: Without dead ends: 2213 [2021-12-06 22:24:32,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 647 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=289, Invalid=1043, Unknown=0, NotChecked=0, Total=1332 [2021-12-06 22:24:32,992 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 79 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:32,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 161 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:24:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2021-12-06 22:24:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2021-12-06 22:24:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1689 states have (on average 1.0355239786856127) internal successors, (1749), 1638 states have internal predecessors, (1749), 282 states have call successors, (282), 190 states have call predecessors, (282), 240 states have return successors, (2446), 384 states have call predecessors, (2446), 259 states have call successors, (2446) [2021-12-06 22:24:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4477 transitions. [2021-12-06 22:24:33,142 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4477 transitions. Word has length 296 [2021-12-06 22:24:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:33,143 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4477 transitions. [2021-12-06 22:24:33,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 22:24:33,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4477 transitions. [2021-12-06 22:24:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-06 22:24:33,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:33,156 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:33,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-06 22:24:33,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:33,357 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:33,357 INFO L85 PathProgramCache]: Analyzing trace with hash -989942841, now seen corresponding path program 4 times [2021-12-06 22:24:33,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:33,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066614043] [2021-12-06 22:24:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:33,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:24:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:24:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:24:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:24:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:24:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:24:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 2898 trivial. 0 not checked. [2021-12-06 22:24:33,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:33,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066614043] [2021-12-06 22:24:33,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066614043] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:33,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398035674] [2021-12-06 22:24:33,789 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:24:33,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:33,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:33,790 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:33,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-06 22:24:33,884 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:24:33,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:33,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-06 22:24:33,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 723 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2021-12-06 22:24:34,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 883 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked. [2021-12-06 22:24:36,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398035674] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:36,401 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:36,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 33] total 58 [2021-12-06 22:24:36,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084291699] [2021-12-06 22:24:36,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:36,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-12-06 22:24:36,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:36,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-12-06 22:24:36,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=2987, Unknown=0, NotChecked=0, Total=3306 [2021-12-06 22:24:36,403 INFO L87 Difference]: Start difference. First operand 2213 states and 4477 transitions. Second operand has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) [2021-12-06 22:24:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:37,597 INFO L93 Difference]: Finished difference Result 3710 states and 8533 transitions. [2021-12-06 22:24:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-12-06 22:24:37,598 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) Word has length 356 [2021-12-06 22:24:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:37,621 INFO L225 Difference]: With dead ends: 3710 [2021-12-06 22:24:37,621 INFO L226 Difference]: Without dead ends: 2647 [2021-12-06 22:24:37,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3412 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1690, Invalid=10966, Unknown=0, NotChecked=0, Total=12656 [2021-12-06 22:24:37,626 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 1295 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:37,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1306 Valid, 239 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:24:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2021-12-06 22:24:37,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2462. [2021-12-06 22:24:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2462 states, 1846 states have (on average 1.0319609967497292) internal successors, (1905), 1794 states have internal predecessors, (1905), 332 states have call successors, (332), 190 states have call predecessors, (332), 282 states have return successors, (4192), 477 states have call predecessors, (4192), 309 states have call successors, (4192) [2021-12-06 22:24:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 6429 transitions. [2021-12-06 22:24:37,791 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 6429 transitions. Word has length 356 [2021-12-06 22:24:37,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:37,791 INFO L470 AbstractCegarLoop]: Abstraction has 2462 states and 6429 transitions. [2021-12-06 22:24:37,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) [2021-12-06 22:24:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 6429 transitions. [2021-12-06 22:24:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-12-06 22:24:37,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:37,816 INFO L514 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2021-12-06 22:24:37,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-06 22:24:38,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:38,017 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:38,018 INFO L85 PathProgramCache]: Analyzing trace with hash 511768138, now seen corresponding path program 5 times [2021-12-06 22:24:38,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:38,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632551059] [2021-12-06 22:24:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:38,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:39,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:39,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632551059] [2021-12-06 22:24:39,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632551059] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:24:39,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420888605] [2021-12-06 22:24:39,584 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:24:39,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:24:39,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:39,585 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:24:39,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-06 22:24:39,944 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-12-06 22:24:39,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:24:39,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 189 conjunts are in the unsatisfiable core [2021-12-06 22:24:39,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:24:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:40,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:24:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:24:43,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420888605] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:24:43,885 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:24:43,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2021-12-06 22:24:43,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520437646] [2021-12-06 22:24:43,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:24:43,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2021-12-06 22:24:43,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:43,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2021-12-06 22:24:43,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2021-12-06 22:24:43,891 INFO L87 Difference]: Start difference. First operand 2462 states and 6429 transitions. Second operand has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:58,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:58,545 INFO L93 Difference]: Finished difference Result 13297 states and 37695 transitions. [2021-12-06 22:24:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2021-12-06 22:24:58,546 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2021-12-06 22:24:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:58,698 INFO L225 Difference]: With dead ends: 13297 [2021-12-06 22:24:58,698 INFO L226 Difference]: Without dead ends: 13296 [2021-12-06 22:24:58,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2021-12-06 22:24:58,713 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 7648 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 8231 mSolverCounterSat, 12889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7648 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 21120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12889 IncrementalHoareTripleChecker+Valid, 8231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:58,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7648 Valid, 3203 Invalid, 21120 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12889 Valid, 8231 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 22:24:58,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13296 states. [2021-12-06 22:24:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13296 to 4766. [2021-12-06 22:24:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4766 states, 3478 states have (on average 1.030764807360552) internal successors, (3585), 3378 states have internal predecessors, (3585), 716 states have call successors, (716), 382 states have call predecessors, (716), 570 states have return successors, (24416), 1005 states have call predecessors, (24416), 669 states have call successors, (24416) [2021-12-06 22:24:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4766 states to 4766 states and 28717 transitions. [2021-12-06 22:24:59,418 INFO L78 Accepts]: Start accepts. Automaton has 4766 states and 28717 transitions. Word has length 329 [2021-12-06 22:24:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:59,418 INFO L470 AbstractCegarLoop]: Abstraction has 4766 states and 28717 transitions. [2021-12-06 22:24:59,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 28717 transitions. [2021-12-06 22:24:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2021-12-06 22:24:59,532 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:59,533 INFO L514 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:59,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-12-06 22:24:59,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-06 22:24:59,734 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:24:59,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:59,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1245033357, now seen corresponding path program 5 times [2021-12-06 22:24:59,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:59,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742032724] [2021-12-06 22:24:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:59,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:25:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:25:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:25:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:25:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 22:25:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:25:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:25:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:25:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:25:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:25:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:25:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-12-06 22:25:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-12-06 22:25:01,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:01,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742032724] [2021-12-06 22:25:01,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742032724] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:25:01,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081674746] [2021-12-06 22:25:01,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:25:01,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:01,503 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:01,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-06 22:25:02,557 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2021-12-06 22:25:02,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:25:02,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 3853 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 22:25:02,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-12-06 22:25:03,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:25:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-12-06 22:25:06,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081674746] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:25:06,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:25:06,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 44 [2021-12-06 22:25:06,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940772672] [2021-12-06 22:25:06,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:25:06,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-12-06 22:25:06,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:06,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-12-06 22:25:06,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2021-12-06 22:25:06,180 INFO L87 Difference]: Start difference. First operand 4766 states and 28717 transitions. Second operand has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 22:25:06,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:06,710 INFO L93 Difference]: Finished difference Result 5636 states and 29718 transitions. [2021-12-06 22:25:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-12-06 22:25:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) Word has length 1136 [2021-12-06 22:25:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:06,857 INFO L225 Difference]: With dead ends: 5636 [2021-12-06 22:25:06,858 INFO L226 Difference]: Without dead ends: 4848 [2021-12-06 22:25:06,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2605 GetRequests, 2513 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2948 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1429, Invalid=5711, Unknown=0, NotChecked=0, Total=7140 [2021-12-06 22:25:06,869 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 175 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:06,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 224 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:25:06,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2021-12-06 22:25:07,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4848. [2021-12-06 22:25:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4848 states, 3549 states have (on average 1.0298675683291068) internal successors, (3655), 3448 states have internal predecessors, (3655), 716 states have call successors, (716), 382 states have call predecessors, (716), 581 states have return successors, (24428), 1017 states have call predecessors, (24428), 669 states have call successors, (24428) [2021-12-06 22:25:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 28799 transitions. [2021-12-06 22:25:07,580 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 28799 transitions. Word has length 1136 [2021-12-06 22:25:07,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:07,581 INFO L470 AbstractCegarLoop]: Abstraction has 4848 states and 28799 transitions. [2021-12-06 22:25:07,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 22:25:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 28799 transitions. [2021-12-06 22:25:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-12-06 22:25:07,707 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:07,707 INFO L514 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2021-12-06 22:25:07,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-06 22:25:07,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-06 22:25:07,908 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:25:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:07,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1444388022, now seen corresponding path program 6 times [2021-12-06 22:25:07,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:07,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844724687] [2021-12-06 22:25:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:07,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:25:13,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:13,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844724687] [2021-12-06 22:25:13,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844724687] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:25:13,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923832139] [2021-12-06 22:25:13,273 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:25:13,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:13,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:13,273 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:13,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-06 22:25:14,283 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2021-12-06 22:25:14,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:25:14,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 161 conjunts are in the unsatisfiable core [2021-12-06 22:25:14,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:41,644 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Requested array size exceeds VM limit [2021-12-06 22:25:41,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:25:41,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2021-12-06 22:25:41,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036145203] [2021-12-06 22:25:41,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 22:25:41,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2021-12-06 22:25:41,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:41,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2021-12-06 22:25:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11361, Invalid=70721, Unknown=0, NotChecked=0, Total=82082 [2021-12-06 22:25:41,650 INFO L87 Difference]: Start difference. First operand 4848 states and 28799 transitions. Second operand has 192 states, 191 states have (on average 2.9842931937172774) internal successors, (570), 192 states have internal predecessors, (570), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:56,860 INFO L93 Difference]: Finished difference Result 14742 states and 39662 transitions. [2021-12-06 22:25:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-12-06 22:25:56,861 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.9842931937172774) internal successors, (570), 192 states have internal predecessors, (570), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 665 [2021-12-06 22:25:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:56,982 INFO L225 Difference]: With dead ends: 14742 [2021-12-06 22:25:56,982 INFO L226 Difference]: Without dead ends: 14741 [2021-12-06 22:25:57,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41976 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=25136, Invalid=120406, Unknown=0, NotChecked=0, Total=145542 [2021-12-06 22:25:57,001 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 6941 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 8587 mSolverCounterSat, 9192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6941 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 17779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9192 IncrementalHoareTripleChecker+Valid, 8587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:57,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6941 Valid, 5650 Invalid, 17779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9192 Valid, 8587 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-06 22:25:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14741 states. [2021-12-06 22:25:57,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14741 to 4899. [2021-12-06 22:25:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4899 states, 3585 states have (on average 1.0298465829846584) internal successors, (3692), 3483 states have internal predecessors, (3692), 725 states have call successors, (725), 386 states have call predecessors, (725), 587 states have return successors, (25049), 1029 states have call predecessors, (25049), 677 states have call successors, (25049) [2021-12-06 22:25:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 29466 transitions. [2021-12-06 22:25:57,699 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 29466 transitions. Word has length 665 [2021-12-06 22:25:57,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:57,700 INFO L470 AbstractCegarLoop]: Abstraction has 4899 states and 29466 transitions. [2021-12-06 22:25:57,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.9842931937172774) internal successors, (570), 192 states have internal predecessors, (570), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 29466 transitions. [2021-12-06 22:25:57,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2021-12-06 22:25:57,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:57,892 INFO L514 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2021-12-06 22:25:57,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-12-06 22:25:58,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:58,092 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:25:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 493979587, now seen corresponding path program 7 times [2021-12-06 22:25:58,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:58,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568627053] [2021-12-06 22:25:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:58,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:03,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:03,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568627053] [2021-12-06 22:26:03,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568627053] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:03,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475000094] [2021-12-06 22:26:03,869 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:26:03,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:03,869 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:03,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-06 22:26:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:04,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 385 conjunts are in the unsatisfiable core [2021-12-06 22:26:04,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:04,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:19,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475000094] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:19,150 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:26:19,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 193, 193] total 387 [2021-12-06 22:26:19,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853894009] [2021-12-06 22:26:19,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:19,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2021-12-06 22:26:19,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:19,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2021-12-06 22:26:19,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37829, Invalid=112327, Unknown=0, NotChecked=0, Total=150156 [2021-12-06 22:26:19,165 INFO L87 Difference]: Start difference. First operand 4899 states and 29466 transitions. Second operand has 388 states, 387 states have (on average 2.9844961240310077) internal successors, (1155), 388 states have internal predecessors, (1155), 193 states have call successors, (193), 193 states have call predecessors, (193), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:56,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:28:56,485 INFO L93 Difference]: Finished difference Result 49530 states and 174868 transitions. [2021-12-06 22:28:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2021-12-06 22:28:56,486 INFO L78 Accepts]: Start accepts. Automaton has has 388 states, 387 states have (on average 2.9844961240310077) internal successors, (1155), 388 states have internal predecessors, (1155), 193 states have call successors, (193), 193 states have call predecessors, (193), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 672 [2021-12-06 22:28:56,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:28:57,517 INFO L225 Difference]: With dead ends: 49530 [2021-12-06 22:28:57,517 INFO L226 Difference]: Without dead ends: 49529 [2021-12-06 22:28:57,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1823 GetRequests, 1245 SyntacticMatches, 0 SemanticMatches, 578 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74488 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=93607, Invalid=242213, Unknown=0, NotChecked=0, Total=335820 [2021-12-06 22:28:57,571 INFO L933 BasicCegarLoop]: 1257 mSDtfsCounter, 25804 mSDsluCounter, 10090 mSDsCounter, 0 mSdLazyCounter, 31559 mSolverCounterSat, 57370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25804 SdHoareTripleChecker+Valid, 11347 SdHoareTripleChecker+Invalid, 88929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 57370 IncrementalHoareTripleChecker+Valid, 31559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:28:57,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25804 Valid, 11347 Invalid, 88929 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [57370 Valid, 31559 Invalid, 0 Unknown, 0 Unchecked, 36.1s Time] [2021-12-06 22:28:57,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49529 states. [2021-12-06 22:29:00,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49529 to 9552. [2021-12-06 22:29:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9552 states, 6881 states have (on average 1.029646853654992) internal successors, (7085), 6682 states have internal predecessors, (7085), 1500 states have call successors, (1500), 774 states have call predecessors, (1500), 1169 states have return successors, (124682), 2095 states have call predecessors, (124682), 1404 states have call successors, (124682) [2021-12-06 22:29:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 133267 transitions. [2021-12-06 22:29:01,516 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 133267 transitions. Word has length 672 [2021-12-06 22:29:01,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:01,517 INFO L470 AbstractCegarLoop]: Abstraction has 9552 states and 133267 transitions. [2021-12-06 22:29:01,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 387 states have (on average 2.9844961240310077) internal successors, (1155), 388 states have internal predecessors, (1155), 193 states have call successors, (193), 193 states have call predecessors, (193), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:29:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 133267 transitions. [2021-12-06 22:29:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1269 [2021-12-06 22:29:01,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:01,836 INFO L514 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 22, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:01,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-12-06 22:29:02,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-06 22:29:02,037 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:29:02,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash -575656377, now seen corresponding path program 6 times [2021-12-06 22:29:02,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:02,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900848551] [2021-12-06 22:29:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:02,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:29:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:29:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 22:29:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:29:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-12-06 22:29:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-12-06 22:29:04,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:04,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900848551] [2021-12-06 22:29:04,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900848551] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:29:04,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092918673] [2021-12-06 22:29:04,302 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:29:04,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:29:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:29:04,303 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:29:04,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-06 22:29:04,709 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2021-12-06 22:29:04,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:29:04,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 43 conjunts are in the unsatisfiable core [2021-12-06 22:29:04,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:29:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-12-06 22:29:05,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:29:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-12-06 22:29:23,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092918673] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:29:23,507 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:29:23,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 64 [2021-12-06 22:29:23,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727353675] [2021-12-06 22:29:23,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:29:23,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-12-06 22:29:23,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:23,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-12-06 22:29:23,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2021-12-06 22:29:23,511 INFO L87 Difference]: Start difference. First operand 9552 states and 133267 transitions. Second operand has 65 states, 64 states have (on average 3.203125) internal successors, (205), 64 states have internal predecessors, (205), 1 states have call successors, (8), 2 states have call predecessors, (8), 32 states have return successors, (34), 32 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-06 22:29:25,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:29:25,243 INFO L93 Difference]: Finished difference Result 10343 states and 134177 transitions. [2021-12-06 22:29:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-12-06 22:29:25,244 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.203125) internal successors, (205), 64 states have internal predecessors, (205), 1 states have call successors, (8), 2 states have call predecessors, (8), 32 states have return successors, (34), 32 states have call predecessors, (34), 1 states have call successors, (34) Word has length 1268 [2021-12-06 22:29:25,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:29:26,190 INFO L225 Difference]: With dead ends: 10343 [2021-12-06 22:29:26,190 INFO L226 Difference]: Without dead ends: 9622 [2021-12-06 22:29:26,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2933 GetRequests, 2778 SyntacticMatches, 32 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7446 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=3039, Invalid=12461, Unknown=0, NotChecked=0, Total=15500 [2021-12-06 22:29:26,220 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 255 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:29:26,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 224 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:29:26,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9622 states. [2021-12-06 22:29:29,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9622 to 9622. [2021-12-06 22:29:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9622 states, 6941 states have (on average 1.0293905777265524) internal successors, (7145), 6742 states have internal predecessors, (7145), 1500 states have call successors, (1500), 774 states have call predecessors, (1500), 1179 states have return successors, (124692), 2105 states have call predecessors, (124692), 1404 states have call successors, (124692) [2021-12-06 22:29:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 133337 transitions. [2021-12-06 22:29:30,384 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 133337 transitions. Word has length 1268 [2021-12-06 22:29:30,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:30,385 INFO L470 AbstractCegarLoop]: Abstraction has 9622 states and 133337 transitions. [2021-12-06 22:29:30,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.203125) internal successors, (205), 64 states have internal predecessors, (205), 1 states have call successors, (8), 2 states have call predecessors, (8), 32 states have return successors, (34), 32 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-06 22:29:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 133337 transitions. [2021-12-06 22:29:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1389 [2021-12-06 22:29:30,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:30,628 INFO L514 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:30,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-12-06 22:29:30,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-06 22:29:30,829 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:29:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1629711609, now seen corresponding path program 7 times [2021-12-06 22:29:30,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:30,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109184728] [2021-12-06 22:29:30,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:30,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:29:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:29:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 22:29:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-06 22:29:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:29:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:29:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:29:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:29:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-12-06 22:29:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:29:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 53180 backedges. 3669 proven. 4991 refuted. 0 times theorem prover too weak. 44520 trivial. 0 not checked. [2021-12-06 22:29:34,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:34,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109184728] [2021-12-06 22:29:34,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109184728] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:29:34,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820784713] [2021-12-06 22:29:34,185 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:29:34,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:29:34,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:29:34,186 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:29:34,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-06 22:29:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:34,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 80 conjunts are in the unsatisfiable core [2021-12-06 22:29:34,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:29:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 53180 backedges. 3729 proven. 4931 refuted. 0 times theorem prover too weak. 44520 trivial. 0 not checked. [2021-12-06 22:29:35,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:30:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 53180 backedges. 3729 proven. 6797 refuted. 0 times theorem prover too weak. 42654 trivial. 0 not checked. [2021-12-06 22:30:42,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820784713] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:30:42,768 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:30:42,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 45, 81] total 98 [2021-12-06 22:30:42,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605484298] [2021-12-06 22:30:42,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:30:42,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2021-12-06 22:30:42,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:42,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-12-06 22:30:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1432, Invalid=8074, Unknown=0, NotChecked=0, Total=9506 [2021-12-06 22:30:42,773 INFO L87 Difference]: Start difference. First operand 9622 states and 133337 transitions. Second operand has 98 states, 96 states have (on average 4.427083333333333) internal successors, (425), 93 states have internal predecessors, (425), 58 states have call successors, (63), 4 states have call predecessors, (63), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) [2021-12-06 22:30:51,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:30:51,361 INFO L93 Difference]: Finished difference Result 29605 states and 539797 transitions. [2021-12-06 22:30:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-12-06 22:30:51,361 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 96 states have (on average 4.427083333333333) internal successors, (425), 93 states have internal predecessors, (425), 58 states have call successors, (63), 4 states have call predecessors, (63), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) Word has length 1388 [2021-12-06 22:30:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:30:51,742 INFO L225 Difference]: With dead ends: 29605 [2021-12-06 22:30:51,742 INFO L226 Difference]: Without dead ends: 19436 [2021-12-06 22:30:52,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3204 GetRequests, 3052 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4798 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4281, Invalid=19281, Unknown=0, NotChecked=0, Total=23562 [2021-12-06 22:30:52,656 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 567 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 4968 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 4968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:30:52,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 809 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 4968 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 22:30:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19436 states. [2021-12-06 22:30:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19436 to 19428. [2021-12-06 22:30:54,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19428 states, 15040 states have (on average 1.0726728723404255) internal successors, (16133), 14384 states have internal predecessors, (16133), 3102 states have call successors, (3102), 2309 states have call predecessors, (3102), 1285 states have return successors, (64484), 2734 states have call predecessors, (64484), 2490 states have call successors, (64484) [2021-12-06 22:30:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19428 states to 19428 states and 83719 transitions. [2021-12-06 22:30:54,881 INFO L78 Accepts]: Start accepts. Automaton has 19428 states and 83719 transitions. Word has length 1388 [2021-12-06 22:30:54,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:30:54,882 INFO L470 AbstractCegarLoop]: Abstraction has 19428 states and 83719 transitions. [2021-12-06 22:30:54,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 96 states have (on average 4.427083333333333) internal successors, (425), 93 states have internal predecessors, (425), 58 states have call successors, (63), 4 states have call predecessors, (63), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) [2021-12-06 22:30:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19428 states and 83719 transitions. [2021-12-06 22:30:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2021-12-06 22:30:55,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:30:55,164 INFO L514 BasicCegarLoop]: trace histogram [193, 193, 192, 192, 192, 192, 192, 1, 1, 1, 1, 1] [2021-12-06 22:30:55,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-12-06 22:30:55,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-06 22:30:55,365 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-12-06 22:30:55,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -892767446, now seen corresponding path program 8 times [2021-12-06 22:30:55,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:55,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478644276] [2021-12-06 22:30:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:55,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 128928 backedges. 0 proven. 128928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:17,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:17,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478644276] [2021-12-06 22:31:17,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478644276] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:31:17,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32282224] [2021-12-06 22:31:17,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:31:17,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:31:17,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:31:17,425 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:31:17,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c9a8b3-8226-4d97-aa3b-45353b2f4778/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-12-06 22:31:18,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:31:18,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:31:18,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 5625 conjuncts, 773 conjunts are in the unsatisfiable core [2021-12-06 22:31:18,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:31:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 128928 backedges. 0 proven. 128928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:20,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:32:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 128928 backedges. 0 proven. 128928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:32:16,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32282224] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:32:16,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:32:16,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [387, 387, 387] total 775 [2021-12-06 22:32:16,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270166268] [2021-12-06 22:32:16,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:32:16,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 776 states [2021-12-06 22:32:16,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 776 interpolants. [2021-12-06 22:32:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150931, Invalid=450469, Unknown=0, NotChecked=0, Total=601400 [2021-12-06 22:32:16,659 INFO L87 Difference]: Start difference. First operand 19428 states and 83719 transitions. Second operand has 776 states, 775 states have (on average 2.992258064516129) internal successors, (2319), 776 states have internal predecessors, (2319), 387 states have call successors, (387), 387 states have call predecessors, (387), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)