./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0 --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 0.2.1-dev-aef121e [2021-11-22 16:09:32,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:09:32,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:09:32,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:09:32,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:09:32,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:09:32,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:09:32,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:09:32,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:09:32,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:09:32,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:09:32,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:09:32,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:09:32,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:09:32,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:09:32,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:09:32,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:09:32,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:09:32,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:09:32,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:09:32,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:09:32,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:09:32,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:09:32,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:09:32,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:09:32,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:09:32,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:09:32,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:09:32,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:09:32,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:09:32,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:09:32,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:09:32,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:09:32,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:09:32,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:09:32,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:09:32,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:09:32,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:09:32,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:09:32,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:09:32,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:09:32,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-22 16:09:32,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:09:32,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:09:32,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:09:32,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:09:32,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:09:32,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:09:32,927 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:09:32,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:09:32,928 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:09:32,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:09:32,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:09:32,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:09:32,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:09:32,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:09:32,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:09:32,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:09:32,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 16:09:32,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:09:32,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:09:32,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:09:32,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:09:32,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:09:32,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:09:32,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:09:32,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:09:32,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:09:32,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:09:32,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:09:32,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:09:32,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:09:32,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:09:32,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:09:32,938 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_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2021-11-22 16:09:33,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:09:33,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:09:33,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:09:33,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:09:33,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:09:33,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/recursive/recHanoi01.c [2021-11-22 16:09:33,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/data/89ba27679/acaa0c5b675a422abf51d214e6243927/FLAGcb5af94ff [2021-11-22 16:09:34,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:09:34,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/sv-benchmarks/c/recursive/recHanoi01.c [2021-11-22 16:09:34,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/data/89ba27679/acaa0c5b675a422abf51d214e6243927/FLAGcb5af94ff [2021-11-22 16:09:34,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/data/89ba27679/acaa0c5b675a422abf51d214e6243927 [2021-11-22 16:09:34,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:09:34,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:09:34,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:09:34,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:09:34,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:09:34,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565c656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34, skipping insertion in model container [2021-11-22 16:09:34,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:09:34,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:09:34,656 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_f59dd355-e978-457b-86d5-8887e4988c95/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2021-11-22 16:09:34,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:09:34,670 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:09:34,685 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_f59dd355-e978-457b-86d5-8887e4988c95/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2021-11-22 16:09:34,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:09:34,699 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:09:34,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34 WrapperNode [2021-11-22 16:09:34,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:09:34,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:09:34,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:09:34,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:09:34,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,734 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-22 16:09:34,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:09:34,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:09:34,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:09:34,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:09:34,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:09:34,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:09:34,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:09:34,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:09:34,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (1/1) ... [2021-11-22 16:09:34,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:09:34,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:34,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:09:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:09:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:09:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2021-11-22 16:09:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2021-11-22 16:09:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2021-11-22 16:09:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2021-11-22 16:09:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:09:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:09:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:09:34,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:09:34,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:09:35,075 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:09:35,085 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:09:35,085 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 16:09:35,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:09:35 BoogieIcfgContainer [2021-11-22 16:09:35,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:09:35,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:09:35,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:09:35,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:09:35,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:09:34" (1/3) ... [2021-11-22 16:09:35,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309afbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:09:35, skipping insertion in model container [2021-11-22 16:09:35,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:34" (2/3) ... [2021-11-22 16:09:35,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309afbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:09:35, skipping insertion in model container [2021-11-22 16:09:35,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:09:35" (3/3) ... [2021-11-22 16:09:35,101 INFO L111 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2021-11-22 16:09:35,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:09:35,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-22 16:09:35,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:09:35,179 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 [2021-11-22 16:09:35,179 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-22 16:09:35,202 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) [2021-11-22 16:09:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 16:09:35,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:35,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:35,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:35,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2021-11-22 16:09:35,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:35,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824963877] [2021-11-22 16:09:35,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:35,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:35,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:35,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824963877] [2021-11-22 16:09:35,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824963877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:35,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:35,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:09:35,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776709954] [2021-11-22 16:09:35,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:35,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:09:35,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:35,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:09:35,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:09:35,493 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) [2021-11-22 16:09:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:35,638 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2021-11-22 16:09:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:09:35,657 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 [2021-11-22 16:09:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:35,667 INFO L225 Difference]: With dead ends: 83 [2021-11-22 16:09:35,668 INFO L226 Difference]: Without dead ends: 66 [2021-11-22 16:09:35,684 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 [2021-11-22 16:09:35,690 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:35,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:35,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-22 16:09:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2021-11-22 16:09:35,762 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) [2021-11-22 16:09:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2021-11-22 16:09:35,768 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2021-11-22 16:09:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:35,768 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-11-22 16:09:35,769 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) [2021-11-22 16:09:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2021-11-22 16:09:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 16:09:35,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:35,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:35,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:09:35,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:35,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:35,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2021-11-22 16:09:35,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:35,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218301013] [2021-11-22 16:09:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:35,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:35,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:35,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218301013] [2021-11-22 16:09:35,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218301013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:35,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:35,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:09:35,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977676352] [2021-11-22 16:09:35,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:35,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:35,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:35,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:35,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:35,904 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) [2021-11-22 16:09:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:36,006 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2021-11-22 16:09:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:09:36,008 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 [2021-11-22 16:09:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:36,011 INFO L225 Difference]: With dead ends: 47 [2021-11-22 16:09:36,013 INFO L226 Difference]: Without dead ends: 45 [2021-11-22 16:09:36,015 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 [2021-11-22 16:09:36,018 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:36,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-22 16:09:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-22 16:09:36,043 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) [2021-11-22 16:09:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-11-22 16:09:36,051 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 9 [2021-11-22 16:09:36,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:36,052 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-11-22 16:09:36,053 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) [2021-11-22 16:09:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-22 16:09:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 16:09:36,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:36,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:36,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:09:36,060 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:36,062 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2021-11-22 16:09:36,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:36,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717431977] [2021-11-22 16:09:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:36,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:36,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:36,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717431977] [2021-11-22 16:09:36,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717431977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:36,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:36,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:09:36,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086275130] [2021-11-22 16:09:36,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:36,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:36,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:36,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:36,187 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) [2021-11-22 16:09:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:36,317 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2021-11-22 16:09:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:09:36,318 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 [2021-11-22 16:09:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:36,320 INFO L225 Difference]: With dead ends: 74 [2021-11-22 16:09:36,322 INFO L226 Difference]: Without dead ends: 51 [2021-11-22 16:09:36,323 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 [2021-11-22 16:09:36,326 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 13 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:36,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 143 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:36,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-22 16:09:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-22 16:09:36,347 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) [2021-11-22 16:09:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2021-11-22 16:09:36,353 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2021-11-22 16:09:36,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:36,354 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2021-11-22 16:09:36,355 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) [2021-11-22 16:09:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2021-11-22 16:09:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 16:09:36,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:36,358 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:36,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:09:36,359 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:36,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2021-11-22 16:09:36,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:36,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537443135] [2021-11-22 16:09:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:36,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:36,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:36,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537443135] [2021-11-22 16:09:36,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537443135] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:36,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47565453] [2021-11-22 16:09:36,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:36,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:36,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:36,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:36,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:09:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:36,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 16:09:36,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:36,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:36,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47565453] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:36,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:36,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-22 16:09:36,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071835549] [2021-11-22 16:09:36,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:36,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 16:09:36,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 16:09:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:09:36,886 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) [2021-11-22 16:09:37,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:37,187 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2021-11-22 16:09:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 16:09:37,189 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 [2021-11-22 16:09:37,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:37,197 INFO L225 Difference]: With dead ends: 161 [2021-11-22 16:09:37,197 INFO L226 Difference]: Without dead ends: 160 [2021-11-22 16:09:37,199 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 [2021-11-22 16:09:37,209 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 118 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:37,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 321 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:09:37,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-22 16:09:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 89. [2021-11-22 16:09:37,246 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) [2021-11-22 16:09:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2021-11-22 16:09:37,252 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 14 [2021-11-22 16:09:37,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:37,252 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2021-11-22 16:09:37,254 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) [2021-11-22 16:09:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2021-11-22 16:09:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 16:09:37,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:37,257 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:37,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:37,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:37,480 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:37,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:37,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2021-11-22 16:09:37,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:37,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527954529] [2021-11-22 16:09:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:37,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:37,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527954529] [2021-11-22 16:09:37,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527954529] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:37,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39448355] [2021-11-22 16:09:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:37,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:37,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:37,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:37,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 16:09:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:37,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:09:37,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:37,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:09:37,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39448355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:37,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:09:37,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-22 16:09:37,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067488020] [2021-11-22 16:09:37,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:37,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:09:37,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:37,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:09:37,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:09:37,755 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) [2021-11-22 16:09:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:37,790 INFO L93 Difference]: Finished difference Result 89 states and 122 transitions. [2021-11-22 16:09:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:09:37,791 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 [2021-11-22 16:09:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:37,794 INFO L225 Difference]: With dead ends: 89 [2021-11-22 16:09:37,795 INFO L226 Difference]: Without dead ends: 88 [2021-11-22 16:09:37,796 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 [2021-11-22 16:09:37,797 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 [2021-11-22 16:09:37,798 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] [2021-11-22 16:09:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-22 16:09:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-22 16:09:37,817 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) [2021-11-22 16:09:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-11-22 16:09:37,819 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 15 [2021-11-22 16:09:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:37,820 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-11-22 16:09:37,820 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) [2021-11-22 16:09:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-11-22 16:09:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 16:09:37,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:37,822 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:37,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:38,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:38,023 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:38,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:38,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2145430299, now seen corresponding path program 1 times [2021-11-22 16:09:38,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:38,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147334812] [2021-11-22 16:09:38,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:38,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:38,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:38,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147334812] [2021-11-22 16:09:38,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147334812] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494863709] [2021-11-22 16:09:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:38,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:38,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:38,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:38,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 16:09:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:09:38,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:38,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:38,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494863709] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:38,295 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:38,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-11-22 16:09:38,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074295768] [2021-11-22 16:09:38,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:38,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 16:09:38,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:38,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 16:09:38,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:09:38,297 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) [2021-11-22 16:09:38,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:38,386 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2021-11-22 16:09:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:09:38,387 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 [2021-11-22 16:09:38,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:38,389 INFO L225 Difference]: With dead ends: 94 [2021-11-22 16:09:38,389 INFO L226 Difference]: Without dead ends: 92 [2021-11-22 16:09:38,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-11-22 16:09:38,391 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:38,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 181 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:38,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-22 16:09:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-22 16:09:38,404 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) [2021-11-22 16:09:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-11-22 16:09:38,405 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 17 [2021-11-22 16:09:38,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:38,406 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-11-22 16:09:38,406 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) [2021-11-22 16:09:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-11-22 16:09:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 16:09:38,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:38,408 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] [2021-11-22 16:09:38,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:38,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 16:09:38,623 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:38,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2021-11-22 16:09:38,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:38,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482152166] [2021-11-22 16:09:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:38,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:38,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:38,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482152166] [2021-11-22 16:09:38,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482152166] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:38,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506899537] [2021-11-22 16:09:38,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:38,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:38,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:38,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:38,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 16:09:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:38,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:09:38,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:39,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:09:39,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506899537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:39,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:09:39,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2021-11-22 16:09:39,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027034347] [2021-11-22 16:09:39,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:39,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:39,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:39,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:39,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:09:39,026 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) [2021-11-22 16:09:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:39,056 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2021-11-22 16:09:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:09:39,057 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 [2021-11-22 16:09:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:39,059 INFO L225 Difference]: With dead ends: 92 [2021-11-22 16:09:39,059 INFO L226 Difference]: Without dead ends: 91 [2021-11-22 16:09:39,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:09:39,060 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 [2021-11-22 16:09:39,061 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] [2021-11-22 16:09:39,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-22 16:09:39,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-11-22 16:09:39,091 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) [2021-11-22 16:09:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-11-22 16:09:39,095 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 28 [2021-11-22 16:09:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:39,095 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-11-22 16:09:39,096 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) [2021-11-22 16:09:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-11-22 16:09:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 16:09:39,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:39,100 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] [2021-11-22 16:09:39,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:39,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:39,315 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:39,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:39,315 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2021-11-22 16:09:39,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:39,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961667106] [2021-11-22 16:09:39,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:39,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:39,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:39,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961667106] [2021-11-22 16:09:39,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961667106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:39,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:39,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:09:39,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400649298] [2021-11-22 16:09:39,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:39,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:09:39,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:39,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:09:39,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:09:39,402 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) [2021-11-22 16:09:39,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:39,529 INFO L93 Difference]: Finished difference Result 110 states and 139 transitions. [2021-11-22 16:09:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:09:39,530 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 [2021-11-22 16:09:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:39,531 INFO L225 Difference]: With dead ends: 110 [2021-11-22 16:09:39,532 INFO L226 Difference]: Without dead ends: 107 [2021-11-22 16:09:39,532 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 [2021-11-22 16:09:39,533 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:39,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 95 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-22 16:09:39,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2021-11-22 16:09:39,545 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) [2021-11-22 16:09:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2021-11-22 16:09:39,547 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 29 [2021-11-22 16:09:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:39,548 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2021-11-22 16:09:39,548 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) [2021-11-22 16:09:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2021-11-22 16:09:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 16:09:39,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:39,550 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] [2021-11-22 16:09:39,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:09:39,551 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:39,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1461802605, now seen corresponding path program 1 times [2021-11-22 16:09:39,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:39,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128652584] [2021-11-22 16:09:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:39,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:39,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:39,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128652584] [2021-11-22 16:09:39,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128652584] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:39,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81428672] [2021-11-22 16:09:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:39,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:39,643 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:39,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 16:09:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:39,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:09:39,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:39,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:39,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81428672] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:39,903 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:39,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2021-11-22 16:09:39,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505317722] [2021-11-22 16:09:39,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:39,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 16:09:39,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:39,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 16:09:39,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:09:39,921 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) [2021-11-22 16:09:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:40,333 INFO L93 Difference]: Finished difference Result 162 states and 195 transitions. [2021-11-22 16:09:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 16:09:40,334 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 [2021-11-22 16:09:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:40,337 INFO L225 Difference]: With dead ends: 162 [2021-11-22 16:09:40,337 INFO L226 Difference]: Without dead ends: 161 [2021-11-22 16:09:40,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2021-11-22 16:09:40,339 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 265 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:40,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 135 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:09:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-22 16:09:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2021-11-22 16:09:40,352 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) [2021-11-22 16:09:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2021-11-22 16:09:40,355 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 34 [2021-11-22 16:09:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:40,355 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2021-11-22 16:09:40,356 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) [2021-11-22 16:09:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2021-11-22 16:09:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 16:09:40,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:40,358 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-11-22 16:09:40,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:40,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:40,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:40,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:40,580 INFO L85 PathProgramCache]: Analyzing trace with hash 770953962, now seen corresponding path program 2 times [2021-11-22 16:09:40,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:40,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129741188] [2021-11-22 16:09:40,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:40,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:40,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129741188] [2021-11-22 16:09:40,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129741188] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134941057] [2021-11-22 16:09:40,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:09:40,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:40,726 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 16:09:40,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 16:09:40,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:40,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 16:09:40,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:40,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:41,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134941057] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:41,260 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:41,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2021-11-22 16:09:41,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843655700] [2021-11-22 16:09:41,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:41,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 16:09:41,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 16:09:41,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2021-11-22 16:09:41,263 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) [2021-11-22 16:09:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:41,956 INFO L93 Difference]: Finished difference Result 835 states and 1189 transitions. [2021-11-22 16:09:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-22 16:09:41,957 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 [2021-11-22 16:09:41,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:41,964 INFO L225 Difference]: With dead ends: 835 [2021-11-22 16:09:41,964 INFO L226 Difference]: Without dead ends: 834 [2021-11-22 16:09:41,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 16:09:41,967 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 657 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:41,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 530 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 16:09:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2021-11-22 16:09:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 239. [2021-11-22 16:09:41,998 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) [2021-11-22 16:09:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 408 transitions. [2021-11-22 16:09:42,002 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 408 transitions. Word has length 35 [2021-11-22 16:09:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:42,003 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 408 transitions. [2021-11-22 16:09:42,003 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) [2021-11-22 16:09:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2021-11-22 16:09:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 16:09:42,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:42,004 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] [2021-11-22 16:09:42,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-22 16:09:42,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 16:09:42,226 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:42,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:42,227 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2021-11-22 16:09:42,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:42,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82521050] [2021-11-22 16:09:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:42,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 16:09:42,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:42,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82521050] [2021-11-22 16:09:42,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82521050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:42,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:42,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:09:42,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431951600] [2021-11-22 16:09:42,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:42,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:42,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:42,308 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) [2021-11-22 16:09:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:42,389 INFO L93 Difference]: Finished difference Result 276 states and 461 transitions. [2021-11-22 16:09:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:09:42,389 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 [2021-11-22 16:09:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:42,394 INFO L225 Difference]: With dead ends: 276 [2021-11-22 16:09:42,394 INFO L226 Difference]: Without dead ends: 265 [2021-11-22 16:09:42,395 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 [2021-11-22 16:09:42,396 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 [2021-11-22 16:09:42,396 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] [2021-11-22 16:09:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-11-22 16:09:42,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2021-11-22 16:09:42,465 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) [2021-11-22 16:09:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 434 transitions. [2021-11-22 16:09:42,470 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 434 transitions. Word has length 36 [2021-11-22 16:09:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:42,471 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 434 transitions. [2021-11-22 16:09:42,471 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) [2021-11-22 16:09:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 434 transitions. [2021-11-22 16:09:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 16:09:42,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:42,479 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] [2021-11-22 16:09:42,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 16:09:42,479 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:42,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:42,480 INFO L85 PathProgramCache]: Analyzing trace with hash 523742200, now seen corresponding path program 2 times [2021-11-22 16:09:42,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:42,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200335277] [2021-11-22 16:09:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:42,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:42,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:42,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200335277] [2021-11-22 16:09:42,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200335277] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:42,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685170715] [2021-11-22 16:09:42,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:09:42,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:42,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:42,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:42,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 16:09:42,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 16:09:42,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:42,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 16:09:42,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:42,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 16:09:43,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685170715] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:43,238 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:43,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 28 [2021-11-22 16:09:43,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675448145] [2021-11-22 16:09:43,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:43,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-22 16:09:43,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:43,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-22 16:09:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2021-11-22 16:09:43,241 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) [2021-11-22 16:09:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:44,569 INFO L93 Difference]: Finished difference Result 420 states and 584 transitions. [2021-11-22 16:09:44,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-22 16:09:44,573 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 [2021-11-22 16:09:44,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:44,577 INFO L225 Difference]: With dead ends: 420 [2021-11-22 16:09:44,577 INFO L226 Difference]: Without dead ends: 419 [2021-11-22 16:09:44,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2021-11-22 16:09:44,580 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 777 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:44,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [781 Valid, 115 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 16:09:44,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-11-22 16:09:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 379. [2021-11-22 16:09:44,620 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) [2021-11-22 16:09:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 578 transitions. [2021-11-22 16:09:44,626 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 578 transitions. Word has length 49 [2021-11-22 16:09:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:44,626 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 578 transitions. [2021-11-22 16:09:44,627 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) [2021-11-22 16:09:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2021-11-22 16:09:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 16:09:44,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:44,629 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] [2021-11-22 16:09:44,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:44,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-22 16:09:44,855 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:44,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:44,855 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2021-11-22 16:09:44,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:44,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100376644] [2021-11-22 16:09:44,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:44,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:09:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 16:09:44,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:44,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100376644] [2021-11-22 16:09:44,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100376644] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:44,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642682221] [2021-11-22 16:09:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:44,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:44,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:44,947 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:44,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 16:09:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:44,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 16:09:45,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 16:09:45,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:45,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642682221] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:45,721 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:45,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 13] total 24 [2021-11-22 16:09:45,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928008151] [2021-11-22 16:09:45,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:45,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 16:09:45,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:45,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 16:09:45,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-11-22 16:09:45,724 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) [2021-11-22 16:09:46,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:46,293 INFO L93 Difference]: Finished difference Result 751 states and 1306 transitions. [2021-11-22 16:09:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-22 16:09:46,293 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 [2021-11-22 16:09:46,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:46,299 INFO L225 Difference]: With dead ends: 751 [2021-11-22 16:09:46,299 INFO L226 Difference]: Without dead ends: 604 [2021-11-22 16:09:46,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=1335, Unknown=0, NotChecked=0, Total=1560 [2021-11-22 16:09:46,302 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 171 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:46,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 140 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:09:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-11-22 16:09:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 569. [2021-11-22 16:09:46,355 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) [2021-11-22 16:09:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 978 transitions. [2021-11-22 16:09:46,362 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 978 transitions. Word has length 48 [2021-11-22 16:09:46,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:46,363 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 978 transitions. [2021-11-22 16:09:46,363 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) [2021-11-22 16:09:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 978 transitions. [2021-11-22 16:09:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 16:09:46,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:46,368 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] [2021-11-22 16:09:46,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-22 16:09:46,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 16:09:46,587 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash -206012584, now seen corresponding path program 3 times [2021-11-22 16:09:46,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:46,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701956760] [2021-11-22 16:09:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:46,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 2 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:47,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:47,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701956760] [2021-11-22 16:09:47,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701956760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:47,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958427987] [2021-11-22 16:09:47,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:09:47,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:47,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:47,075 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:47,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 16:09:47,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-22 16:09:47,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 16:09:47,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-22 16:09:47,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-22 16:09:47,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958427987] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:47,703 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:47,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8, 9] total 36 [2021-11-22 16:09:47,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677174606] [2021-11-22 16:09:47,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:47,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-22 16:09:47,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:47,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-22 16:09:47,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2021-11-22 16:09:47,707 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) [2021-11-22 16:09:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:49,145 INFO L93 Difference]: Finished difference Result 1214 states and 2128 transitions. [2021-11-22 16:09:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-22 16:09:49,146 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 [2021-11-22 16:09:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:49,153 INFO L225 Difference]: With dead ends: 1214 [2021-11-22 16:09:49,154 INFO L226 Difference]: Without dead ends: 657 [2021-11-22 16:09:49,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1109, Invalid=4591, Unknown=0, NotChecked=0, Total=5700 [2021-11-22 16:09:49,163 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 875 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:49,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 112 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 16:09:49,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2021-11-22 16:09:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 612. [2021-11-22 16:09:49,223 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) [2021-11-22 16:09:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 929 transitions. [2021-11-22 16:09:49,231 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 929 transitions. Word has length 79 [2021-11-22 16:09:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:49,233 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 929 transitions. [2021-11-22 16:09:49,233 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) [2021-11-22 16:09:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 929 transitions. [2021-11-22 16:09:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 16:09:49,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:49,238 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2021-11-22 16:09:49,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:49,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-22 16:09:49,455 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:49,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1085664118, now seen corresponding path program 3 times [2021-11-22 16:09:49,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:49,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378274510] [2021-11-22 16:09:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:49,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:49,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:49,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378274510] [2021-11-22 16:09:49,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378274510] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:49,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157013505] [2021-11-22 16:09:49,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:09:49,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:49,807 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:49,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-22 16:09:49,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-22 16:09:49,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:49,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 16:09:49,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:50,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:50,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157013505] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:50,814 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:50,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2021-11-22 16:09:50,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14958540] [2021-11-22 16:09:50,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:50,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-22 16:09:50,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:50,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-22 16:09:50,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2021-11-22 16:09:50,818 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) [2021-11-22 16:09:53,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:53,280 INFO L93 Difference]: Finished difference Result 6545 states and 9216 transitions. [2021-11-22 16:09:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-22 16:09:53,281 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 [2021-11-22 16:09:53,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:53,342 INFO L225 Difference]: With dead ends: 6545 [2021-11-22 16:09:53,343 INFO L226 Difference]: Without dead ends: 6544 [2021-11-22 16:09:53,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2021-11-22 16:09:53,355 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 1550 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:53,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1550 Valid, 1078 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 16:09:53,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-11-22 16:09:53,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 936. [2021-11-22 16:09:53,614 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) [2021-11-22 16:09:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 2561 transitions. [2021-11-22 16:09:53,636 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 2561 transitions. Word has length 77 [2021-11-22 16:09:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:53,637 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 2561 transitions. [2021-11-22 16:09:53,637 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) [2021-11-22 16:09:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 2561 transitions. [2021-11-22 16:09:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 16:09:53,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:53,648 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] [2021-11-22 16:09:53,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:53,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 16:09:53,875 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:53,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:53,876 INFO L85 PathProgramCache]: Analyzing trace with hash -641003795, now seen corresponding path program 4 times [2021-11-22 16:09:53,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:53,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463327419] [2021-11-22 16:09:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:53,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 15 proven. 365 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-22 16:09:54,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:54,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463327419] [2021-11-22 16:09:54,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463327419] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:54,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232742107] [2021-11-22 16:09:54,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 16:09:54,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:54,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:54,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:54,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-22 16:09:54,523 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 16:09:54,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:54,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 16:09:54,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 53 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-11-22 16:09:54,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 61 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-22 16:09:55,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232742107] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:55,286 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:55,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 11, 13] total 44 [2021-11-22 16:09:55,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731571026] [2021-11-22 16:09:55,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:55,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-22 16:09:55,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:55,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-22 16:09:55,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1606, Unknown=0, NotChecked=0, Total=1892 [2021-11-22 16:09:55,290 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) [2021-11-22 16:09:56,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:56,188 INFO L93 Difference]: Finished difference Result 2071 states and 5966 transitions. [2021-11-22 16:09:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-22 16:09:56,189 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 [2021-11-22 16:09:56,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:56,203 INFO L225 Difference]: With dead ends: 2071 [2021-11-22 16:09:56,203 INFO L226 Difference]: Without dead ends: 1157 [2021-11-22 16:09:56,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=608, Invalid=3298, Unknown=0, NotChecked=0, Total=3906 [2021-11-22 16:09:56,222 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 241 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:56,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 200 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 16:09:56,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-11-22 16:09:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1025. [2021-11-22 16:09:56,340 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) [2021-11-22 16:09:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1512 transitions. [2021-11-22 16:09:56,361 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1512 transitions. Word has length 116 [2021-11-22 16:09:56,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:56,363 INFO L470 AbstractCegarLoop]: Abstraction has 1025 states and 1512 transitions. [2021-11-22 16:09:56,364 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) [2021-11-22 16:09:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1512 transitions. [2021-11-22 16:09:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 16:09:56,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:56,371 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] [2021-11-22 16:09:56,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:56,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-22 16:09:56,587 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2021-11-22 16:09:56,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:56,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276590990] [2021-11-22 16:09:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:56,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:09:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:09:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:09:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-11-22 16:09:56,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:56,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276590990] [2021-11-22 16:09:56,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276590990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:56,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676357537] [2021-11-22 16:09:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:56,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:56,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:56,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-22 16:09:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:56,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:09:56,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-11-22 16:09:57,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:09:57,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676357537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:57,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:09:57,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2021-11-22 16:09:57,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493152736] [2021-11-22 16:09:57,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:57,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:09:57,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:09:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:09:57,146 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) [2021-11-22 16:09:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:57,229 INFO L93 Difference]: Finished difference Result 1025 states and 1512 transitions. [2021-11-22 16:09:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:09:57,230 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 [2021-11-22 16:09:57,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:57,240 INFO L225 Difference]: With dead ends: 1025 [2021-11-22 16:09:57,241 INFO L226 Difference]: Without dead ends: 1009 [2021-11-22 16:09:57,242 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 [2021-11-22 16:09:57,243 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 [2021-11-22 16:09:57,243 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] [2021-11-22 16:09:57,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2021-11-22 16:09:57,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 1009. [2021-11-22 16:09:57,356 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) [2021-11-22 16:09:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1461 transitions. [2021-11-22 16:09:57,365 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1461 transitions. Word has length 145 [2021-11-22 16:09:57,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:57,366 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1461 transitions. [2021-11-22 16:09:57,366 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) [2021-11-22 16:09:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1461 transitions. [2021-11-22 16:09:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-22 16:09:57,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:57,372 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] [2021-11-22 16:09:57,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-22 16:09:57,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 16:09:57,591 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:09:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash 852091527, now seen corresponding path program 2 times [2021-11-22 16:09:57,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:57,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339032887] [2021-11-22 16:09:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:57,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:09:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:09:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:09:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:09:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:09:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:09:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:09:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:09:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2021-11-22 16:09:57,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:57,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339032887] [2021-11-22 16:09:57,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339032887] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:57,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340321765] [2021-11-22 16:09:57,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:09:57,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:57,791 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:57,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-22 16:09:57,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 16:09:57,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:09:57,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 16:09:57,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 226 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-11-22 16:09:58,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 253 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-11-22 16:09:59,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340321765] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:59,508 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:59,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 19] total 28 [2021-11-22 16:09:59,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784174030] [2021-11-22 16:09:59,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:59,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-22 16:09:59,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-22 16:09:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2021-11-22 16:09:59,511 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) [2021-11-22 16:10:00,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:10:00,323 INFO L93 Difference]: Finished difference Result 1494 states and 2269 transitions. [2021-11-22 16:10:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 16:10:00,324 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 [2021-11-22 16:10:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:10:00,338 INFO L225 Difference]: With dead ends: 1494 [2021-11-22 16:10:00,339 INFO L226 Difference]: Without dead ends: 1163 [2021-11-22 16:10:00,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2021-11-22 16:10:00,343 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 264 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:10:00,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 133 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 16:10:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-11-22 16:10:00,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1126. [2021-11-22 16:10:00,431 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) [2021-11-22 16:10:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1631 transitions. [2021-11-22 16:10:00,439 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1631 transitions. Word has length 156 [2021-11-22 16:10:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:10:00,440 INFO L470 AbstractCegarLoop]: Abstraction has 1126 states and 1631 transitions. [2021-11-22 16:10:00,441 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) [2021-11-22 16:10:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1631 transitions. [2021-11-22 16:10:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 16:10:00,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:10:00,472 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2021-11-22 16:10:00,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-22 16:10:00,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-22 16:10:00,693 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:10:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:10:00,694 INFO L85 PathProgramCache]: Analyzing trace with hash 17596362, now seen corresponding path program 4 times [2021-11-22 16:10:00,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:10:00,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278194646] [2021-11-22 16:10:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:10:00,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:10:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:01,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:10:01,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278194646] [2021-11-22 16:10:01,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278194646] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:10:01,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774476659] [2021-11-22 16:10:01,689 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 16:10:01,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:01,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:10:01,691 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:10:01,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-22 16:10:01,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 16:10:01,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:10:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-22 16:10:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:10:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:02,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:10:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:04,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774476659] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:10:04,432 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:10:04,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2021-11-22 16:10:04,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590723344] [2021-11-22 16:10:04,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:10:04,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2021-11-22 16:10:04,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:10:04,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-11-22 16:10:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2021-11-22 16:10:04,440 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) [2021-11-22 16:10:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:10:10,572 INFO L93 Difference]: Finished difference Result 7465 states and 10315 transitions. [2021-11-22 16:10:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-11-22 16:10:10,573 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 [2021-11-22 16:10:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:10:10,640 INFO L225 Difference]: With dead ends: 7465 [2021-11-22 16:10:10,640 INFO L226 Difference]: Without dead ends: 7464 [2021-11-22 16:10:10,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2021-11-22 16:10:10,655 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 2570 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 2113 SdHoareTripleChecker+Invalid, 4359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:10:10,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2570 Valid, 2113 Invalid, 4359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2098 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-22 16:10:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2021-11-22 16:10:10,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 2038. [2021-11-22 16:10:10,994 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) [2021-11-22 16:10:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 4313 transitions. [2021-11-22 16:10:11,020 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 4313 transitions. Word has length 161 [2021-11-22 16:10:11,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:10:11,020 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 4313 transitions. [2021-11-22 16:10:11,021 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) [2021-11-22 16:10:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 4313 transitions. [2021-11-22 16:10:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 16:10:11,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:10:11,036 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] [2021-11-22 16:10:11,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-22 16:10:11,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:11,255 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:10:11,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:10:11,256 INFO L85 PathProgramCache]: Analyzing trace with hash -498290227, now seen corresponding path program 3 times [2021-11-22 16:10:11,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:10:11,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697663126] [2021-11-22 16:10:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:10:11,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:10:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:10:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:10:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:10:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:10:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:10:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-11-22 16:10:11,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:10:11,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697663126] [2021-11-22 16:10:11,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697663126] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:10:11,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889830062] [2021-11-22 16:10:11,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:10:11,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:11,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:10:11,749 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:10:11,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-22 16:10:11,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-22 16:10:11,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:10:11,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 16:10:11,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:10:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-11-22 16:10:12,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:10:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-11-22 16:10:13,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889830062] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:10:13,637 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:10:13,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2021-11-22 16:10:13,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148828157] [2021-11-22 16:10:13,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:10:13,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-22 16:10:13,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:10:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-22 16:10:13,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-11-22 16:10:13,641 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) [2021-11-22 16:10:13,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:10:13,970 INFO L93 Difference]: Finished difference Result 2420 states and 4803 transitions. [2021-11-22 16:10:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-22 16:10:13,971 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 [2021-11-22 16:10:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:10:14,005 INFO L225 Difference]: With dead ends: 2420 [2021-11-22 16:10:14,006 INFO L226 Difference]: Without dead ends: 2213 [2021-11-22 16:10:14,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 647 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=289, Invalid=1043, Unknown=0, NotChecked=0, Total=1332 [2021-11-22 16:10:14,012 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 79 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-11-22 16:10:14,013 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] [2021-11-22 16:10:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2021-11-22 16:10:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2021-11-22 16:10:14,332 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) [2021-11-22 16:10:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4477 transitions. [2021-11-22 16:10:14,357 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4477 transitions. Word has length 296 [2021-11-22 16:10:14,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:10:14,358 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4477 transitions. [2021-11-22 16:10:14,359 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) [2021-11-22 16:10:14,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4477 transitions. [2021-11-22 16:10:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 16:10:14,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:10:14,383 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] [2021-11-22 16:10:14,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-22 16:10:14,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:14,600 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:10:14,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:10:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash -989942841, now seen corresponding path program 4 times [2021-11-22 16:10:14,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:10:14,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598993543] [2021-11-22 16:10:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:10:14,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:10:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:10:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:10:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:10:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:10:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:10:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:10:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:10:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:10:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:10:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 2898 trivial. 0 not checked. [2021-11-22 16:10:15,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:10:15,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598993543] [2021-11-22 16:10:15,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598993543] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:10:15,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877762727] [2021-11-22 16:10:15,238 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 16:10:15,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:15,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:10:15,243 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:10:15,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-22 16:10:15,431 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 16:10:15,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:10:15,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 16:10:15,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:10:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 723 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2021-11-22 16:10:16,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:10:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 883 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked. [2021-11-22 16:10:20,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877762727] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:10:20,838 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:10:20,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 33] total 58 [2021-11-22 16:10:20,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513521881] [2021-11-22 16:10:20,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:10:20,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-11-22 16:10:20,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:10:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-11-22 16:10:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=2987, Unknown=0, NotChecked=0, Total=3306 [2021-11-22 16:10:20,843 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) [2021-11-22 16:10:23,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:10:23,336 INFO L93 Difference]: Finished difference Result 3710 states and 8533 transitions. [2021-11-22 16:10:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-22 16:10:23,337 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 [2021-11-22 16:10:23,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:10:23,401 INFO L225 Difference]: With dead ends: 3710 [2021-11-22 16:10:23,402 INFO L226 Difference]: Without dead ends: 2647 [2021-11-22 16:10:23,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3412 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1690, Invalid=10966, Unknown=0, NotChecked=0, Total=12656 [2021-11-22 16:10:23,416 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 1295 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:10:23,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1305 Valid, 239 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 16:10:23,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2021-11-22 16:10:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2462. [2021-11-22 16:10:23,846 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) [2021-11-22 16:10:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 6429 transitions. [2021-11-22 16:10:23,896 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 6429 transitions. Word has length 356 [2021-11-22 16:10:23,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:10:23,898 INFO L470 AbstractCegarLoop]: Abstraction has 2462 states and 6429 transitions. [2021-11-22 16:10:23,899 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) [2021-11-22 16:10:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 6429 transitions. [2021-11-22 16:10:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 16:10:23,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:10:23,981 INFO L514 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2021-11-22 16:10:24,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-22 16:10:24,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:24,207 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:10:24,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:10:24,207 INFO L85 PathProgramCache]: Analyzing trace with hash 511768138, now seen corresponding path program 5 times [2021-11-22 16:10:24,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:10:24,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236995628] [2021-11-22 16:10:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:10:24,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:10:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:10:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:27,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:10:27,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236995628] [2021-11-22 16:10:27,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236995628] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:10:27,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243077470] [2021-11-22 16:10:27,096 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 16:10:27,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:10:27,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:10:27,097 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:10:27,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-22 16:10:27,605 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-11-22 16:10:27,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:10:27,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-22 16:10:27,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:10:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:28,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:10:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:10:35,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243077470] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:10:35,513 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:10:35,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2021-11-22 16:10:35,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028729616] [2021-11-22 16:10:35,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:10:35,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2021-11-22 16:10:35,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:10:35,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2021-11-22 16:10:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2021-11-22 16:10:35,525 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) [2021-11-22 16:11:00,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:11:00,716 INFO L93 Difference]: Finished difference Result 13297 states and 37695 transitions. [2021-11-22 16:11:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2021-11-22 16:11:00,719 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 [2021-11-22 16:11:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:11:01,059 INFO L225 Difference]: With dead ends: 13297 [2021-11-22 16:11:01,060 INFO L226 Difference]: Without dead ends: 13296 [2021-11-22 16:11:01,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2021-11-22 16:11:01,091 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 7636 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 8248 mSolverCounterSat, 12856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7636 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 21104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12856 IncrementalHoareTripleChecker+Valid, 8248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-11-22 16:11:01,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7636 Valid, 3383 Invalid, 21104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12856 Valid, 8248 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2021-11-22 16:11:01,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13296 states. [2021-11-22 16:11:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13296 to 4766. [2021-11-22 16:11:02,510 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) [2021-11-22 16:11:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4766 states to 4766 states and 28717 transitions. [2021-11-22 16:11:02,767 INFO L78 Accepts]: Start accepts. Automaton has 4766 states and 28717 transitions. Word has length 329 [2021-11-22 16:11:02,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:11:02,768 INFO L470 AbstractCegarLoop]: Abstraction has 4766 states and 28717 transitions. [2021-11-22 16:11:02,769 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) [2021-11-22 16:11:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 28717 transitions. [2021-11-22 16:11:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2021-11-22 16:11:03,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:11:03,137 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] [2021-11-22 16:11:03,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-22 16:11:03,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:11:03,359 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:11:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:11:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1245033357, now seen corresponding path program 5 times [2021-11-22 16:11:03,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:11:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995716903] [2021-11-22 16:11:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:11:03,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:11:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:11:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:11:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:11:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:11:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-22 16:11:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:11:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:11:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:11:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:11:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:11:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:11:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:11:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-11-22 16:11:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:11:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-11-22 16:11:07,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:11:07,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995716903] [2021-11-22 16:11:07,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995716903] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:11:07,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486757818] [2021-11-22 16:11:07,279 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 16:11:07,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:11:07,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:11:07,281 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:11:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-22 16:11:08,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2021-11-22 16:11:08,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:11:08,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 3853 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 16:11:08,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:11:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-11-22 16:11:10,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:11:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2021-11-22 16:11:17,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486757818] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:11:17,218 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:11:17,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 44 [2021-11-22 16:11:17,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100177993] [2021-11-22 16:11:17,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:11:17,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-22 16:11:17,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:11:17,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-22 16:11:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2021-11-22 16:11:17,230 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) [2021-11-22 16:11:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:11:18,347 INFO L93 Difference]: Finished difference Result 5636 states and 29718 transitions. [2021-11-22 16:11:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-22 16:11:18,348 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 [2021-11-22 16:11:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:11:18,634 INFO L225 Difference]: With dead ends: 5636 [2021-11-22 16:11:18,634 INFO L226 Difference]: Without dead ends: 4848 [2021-11-22 16:11:18,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2605 GetRequests, 2513 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2948 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1429, Invalid=5711, Unknown=0, NotChecked=0, Total=7140 [2021-11-22 16:11:18,660 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 175 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:11:18,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 224 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:11:18,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2021-11-22 16:11:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4848. [2021-11-22 16:11:19,726 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) [2021-11-22 16:11:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 28799 transitions. [2021-11-22 16:11:19,978 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 28799 transitions. Word has length 1136 [2021-11-22 16:11:19,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:11:19,982 INFO L470 AbstractCegarLoop]: Abstraction has 4848 states and 28799 transitions. [2021-11-22 16:11:19,983 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) [2021-11-22 16:11:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 28799 transitions. [2021-11-22 16:11:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-22 16:11:20,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:11:20,329 INFO L514 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2021-11-22 16:11:20,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-22 16:11:20,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-22 16:11:20,551 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:11:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:11:20,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1444388022, now seen corresponding path program 6 times [2021-11-22 16:11:20,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:11:20,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552747286] [2021-11-22 16:11:20,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:11:20,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:11:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:11:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:11:31,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:11:31,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552747286] [2021-11-22 16:11:31,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552747286] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:11:31,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686721556] [2021-11-22 16:11:31,579 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-22 16:11:31,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:11:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:11:31,590 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:11:31,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-22 16:11:33,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2021-11-22 16:11:33,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:11:33,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-22 16:11:33,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:12:14,820 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Requested array size exceeds VM limit [2021-11-22 16:12:14,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:12:14,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2021-11-22 16:12:14,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852393396] [2021-11-22 16:12:14,821 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-22 16:12:14,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2021-11-22 16:12:14,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:12:14,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2021-11-22 16:12:14,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11361, Invalid=70721, Unknown=0, NotChecked=0, Total=82082 [2021-11-22 16:12:14,833 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) [2021-11-22 16:12:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:12:40,635 INFO L93 Difference]: Finished difference Result 14742 states and 39662 transitions. [2021-11-22 16:12:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-11-22 16:12:40,636 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 [2021-11-22 16:12:40,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:12:40,906 INFO L225 Difference]: With dead ends: 14742 [2021-11-22 16:12:40,906 INFO L226 Difference]: Without dead ends: 14741 [2021-11-22 16:12:40,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41976 ImplicationChecksByTransitivity, 41.9s TimeCoverageRelationStatistics Valid=25136, Invalid=120406, Unknown=0, NotChecked=0, Total=145542 [2021-11-22 16:12:40,945 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 6953 mSDsluCounter, 5182 mSDsCounter, 0 mSdLazyCounter, 8579 mSolverCounterSat, 9205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6953 SdHoareTripleChecker+Valid, 5626 SdHoareTripleChecker+Invalid, 17784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9205 IncrementalHoareTripleChecker+Valid, 8579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-11-22 16:12:40,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6953 Valid, 5626 Invalid, 17784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9205 Valid, 8579 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-11-22 16:12:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14741 states. [2021-11-22 16:12:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14741 to 4899. [2021-11-22 16:12:42,133 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) [2021-11-22 16:12:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 29466 transitions. [2021-11-22 16:12:42,396 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 29466 transitions. Word has length 665 [2021-11-22 16:12:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:12:42,398 INFO L470 AbstractCegarLoop]: Abstraction has 4899 states and 29466 transitions. [2021-11-22 16:12:42,398 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) [2021-11-22 16:12:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 29466 transitions. [2021-11-22 16:12:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2021-11-22 16:12:42,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:12:42,677 INFO L514 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2021-11-22 16:12:42,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-22 16:12:42,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-22 16:12:42,878 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:12:42,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:12:42,879 INFO L85 PathProgramCache]: Analyzing trace with hash 493979587, now seen corresponding path program 7 times [2021-11-22 16:12:42,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:12:42,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093888741] [2021-11-22 16:12:42,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:12:42,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:12:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:12:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:12:55,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:12:55,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093888741] [2021-11-22 16:12:55,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093888741] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:12:55,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189631620] [2021-11-22 16:12:55,048 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-22 16:12:55,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:12:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:12:55,049 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:12:55,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-22 16:12:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:12:55,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 385 conjunts are in the unsatisfiable core [2021-11-22 16:12:55,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:12:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:12:57,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:13:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31540 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:13:25,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189631620] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:13:25,109 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:13:25,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 193, 193] total 387 [2021-11-22 16:13:25,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625065277] [2021-11-22 16:13:25,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:13:25,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2021-11-22 16:13:25,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:13:25,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2021-11-22 16:13:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37829, Invalid=112327, Unknown=0, NotChecked=0, Total=150156 [2021-11-22 16:13:25,134 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) [2021-11-22 16:17:04,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:17:04,635 INFO L93 Difference]: Finished difference Result 49530 states and 174868 transitions. [2021-11-22 16:17:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2021-11-22 16:17:04,761 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 [2021-11-22 16:17:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:17:06,547 INFO L225 Difference]: With dead ends: 49530 [2021-11-22 16:17:06,548 INFO L226 Difference]: Without dead ends: 49529 [2021-11-22 16:17:06,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1823 GetRequests, 1245 SyntacticMatches, 0 SemanticMatches, 578 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74488 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=93607, Invalid=242213, Unknown=0, NotChecked=0, Total=335820 [2021-11-22 16:17:06,657 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 25840 mSDsluCounter, 8671 mSDsCounter, 0 mSdLazyCounter, 31447 mSolverCounterSat, 57391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25840 SdHoareTripleChecker+Valid, 9703 SdHoareTripleChecker+Invalid, 88838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 57391 IncrementalHoareTripleChecker+Valid, 31447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:17:06,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25840 Valid, 9703 Invalid, 88838 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [57391 Valid, 31447 Invalid, 0 Unknown, 0 Unchecked, 49.0s Time] [2021-11-22 16:17:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49529 states. [2021-11-22 16:17:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49529 to 9552. [2021-11-22 16:17:11,666 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) [2021-11-22 16:17:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 9552 states and 133267 transitions. [2021-11-22 16:17:14,252 INFO L78 Accepts]: Start accepts. Automaton has 9552 states and 133267 transitions. Word has length 672 [2021-11-22 16:17:14,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:17:14,253 INFO L470 AbstractCegarLoop]: Abstraction has 9552 states and 133267 transitions. [2021-11-22 16:17:14,254 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) [2021-11-22 16:17:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9552 states and 133267 transitions. [2021-11-22 16:17:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1269 [2021-11-22 16:17:14,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:17:14,624 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] [2021-11-22 16:17:14,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-22 16:17:14,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:17:14,825 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:17:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:17:14,825 INFO L85 PathProgramCache]: Analyzing trace with hash -575656377, now seen corresponding path program 6 times [2021-11-22 16:17:14,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:17:14,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043238781] [2021-11-22 16:17:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:17:14,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:17:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:17:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:17:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:17:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:17:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-22 16:17:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:17:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:17:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:17:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:17:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:17:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:17:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:17:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-11-22 16:17:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:17:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:17:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-11-22 16:17:18,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:17:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043238781] [2021-11-22 16:17:18,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043238781] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:17:18,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541848579] [2021-11-22 16:17:18,927 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-22 16:17:18,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:17:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:17:18,928 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:17:18,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-22 16:17:19,596 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2021-11-22 16:17:19,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:17:19,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 16:17:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:17:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-11-22 16:17:21,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:17:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 50130 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 48720 trivial. 0 not checked. [2021-11-22 16:17:52,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541848579] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:17:52,867 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:17:52,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 64 [2021-11-22 16:17:52,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931232394] [2021-11-22 16:17:52,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:17:52,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-11-22 16:17:52,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:17:52,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-11-22 16:17:52,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2021-11-22 16:17:52,877 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) [2021-11-22 16:17:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:17:55,700 INFO L93 Difference]: Finished difference Result 10343 states and 134177 transitions. [2021-11-22 16:17:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-22 16:17:55,701 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 [2021-11-22 16:17:55,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:17:57,407 INFO L225 Difference]: With dead ends: 10343 [2021-11-22 16:17:57,407 INFO L226 Difference]: Without dead ends: 9622 [2021-11-22 16:17:57,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2933 GetRequests, 2778 SyntacticMatches, 32 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7446 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3039, Invalid=12461, Unknown=0, NotChecked=0, Total=15500 [2021-11-22 16:17:57,449 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 255 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:17:57,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 224 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:17:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9622 states. [2021-11-22 16:18:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9622 to 9622. [2021-11-22 16:18:02,041 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) [2021-11-22 16:18:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 133337 transitions. [2021-11-22 16:18:03,923 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 133337 transitions. Word has length 1268 [2021-11-22 16:18:03,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:18:03,925 INFO L470 AbstractCegarLoop]: Abstraction has 9622 states and 133337 transitions. [2021-11-22 16:18:03,926 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) [2021-11-22 16:18:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 133337 transitions. [2021-11-22 16:18:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1449 [2021-11-22 16:18:04,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:18:04,844 INFO L514 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 44, 43, 43, 43, 43, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:18:04,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-22 16:18:05,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-22 16:18:05,071 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:18:05,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:18:05,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1440410695, now seen corresponding path program 7 times [2021-11-22 16:18:05,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:18:05,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460714684] [2021-11-22 16:18:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:18:05,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:18:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:18:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:18:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:18:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:18:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-22 16:18:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:18:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:18:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:18:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:18:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:18:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:18:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:18:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1081 [2021-11-22 16:18:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-22 16:18:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 55394 backedges. 4059 proven. 6815 refuted. 0 times theorem prover too weak. 44520 trivial. 0 not checked. [2021-11-22 16:18:12,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:18:12,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460714684] [2021-11-22 16:18:12,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460714684] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:18:12,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612090311] [2021-11-22 16:18:12,386 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-22 16:18:12,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:18:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:18:12,388 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:18:12,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-22 16:18:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:18:13,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 4381 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-22 16:18:13,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:18:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 55394 backedges. 4119 proven. 6755 refuted. 0 times theorem prover too weak. 44520 trivial. 0 not checked. [2021-11-22 16:18:16,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:20:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 55394 backedges. 4119 proven. 8621 refuted. 0 times theorem prover too weak. 42654 trivial. 0 not checked. [2021-11-22 16:20:04,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612090311] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:20:04,015 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:20:04,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 69, 105] total 146 [2021-11-22 16:20:04,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911245378] [2021-11-22 16:20:04,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:20:04,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2021-11-22 16:20:04,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:20:04,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2021-11-22 16:20:04,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2550, Invalid=18620, Unknown=0, NotChecked=0, Total=21170 [2021-11-22 16:20:04,024 INFO L87 Difference]: Start difference. First operand 9622 states and 133337 transitions. Second operand has 146 states, 144 states have (on average 3.6180555555555554) internal successors, (521), 117 states have internal predecessors, (521), 82 states have call successors, (87), 28 states have call predecessors, (87), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) [2021-11-22 16:20:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:20:27,396 INFO L93 Difference]: Finished difference Result 29786 states and 539990 transitions. [2021-11-22 16:20:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2021-11-22 16:20:27,397 INFO L78 Accepts]: Start accepts. Automaton has has 146 states, 144 states have (on average 3.6180555555555554) internal successors, (521), 117 states have internal predecessors, (521), 82 states have call successors, (87), 28 states have call predecessors, (87), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) Word has length 1448 [2021-11-22 16:20:27,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:20:28,330 INFO L225 Difference]: With dead ends: 29786 [2021-11-22 16:20:28,330 INFO L226 Difference]: Without dead ends: 20214 [2021-11-22 16:20:30,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3469 GetRequests, 3146 SyntacticMatches, 0 SemanticMatches, 323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28511 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=19087, Invalid=86213, Unknown=0, NotChecked=0, Total=105300 [2021-11-22 16:20:30,391 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 3031 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 10994 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 11824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 10994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:20:30,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3039 Valid, 906 Invalid, 11824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [830 Valid, 10994 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-22 16:20:30,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20214 states. [2021-11-22 16:20:33,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20214 to 20195. [2021-11-22 16:20:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20195 states, 15694 states have (on average 1.0704727921498662) internal successors, (16800), 15028 states have internal predecessors, (16800), 3116 states have call successors, (3116), 2322 states have call predecessors, (3116), 1383 states have return successors, (65220), 2844 states have call predecessors, (65220), 2569 states have call successors, (65220) [2021-11-22 16:20:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20195 states to 20195 states and 85136 transitions. [2021-11-22 16:20:34,236 INFO L78 Accepts]: Start accepts. Automaton has 20195 states and 85136 transitions. Word has length 1448 [2021-11-22 16:20:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:20:34,238 INFO L470 AbstractCegarLoop]: Abstraction has 20195 states and 85136 transitions. [2021-11-22 16:20:34,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 144 states have (on average 3.6180555555555554) internal successors, (521), 117 states have internal predecessors, (521), 82 states have call successors, (87), 28 states have call predecessors, (87), 42 states have return successors, (127), 47 states have call predecessors, (127), 56 states have call successors, (127) [2021-11-22 16:20:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 20195 states and 85136 transitions. [2021-11-22 16:20:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2413 [2021-11-22 16:20:34,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:20:34,618 INFO L514 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 32, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:20:34,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-22 16:20:34,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59dd355-e978-457b-86d5-8887e4988c95/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-22 16:20:34,822 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-22 16:20:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:20:34,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1967231751, now seen corresponding path program 8 times [2021-11-22 16:20:34,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:20:34,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829077223] [2021-11-22 16:20:34,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:20:34,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:20:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-22 16:20:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:20:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:20:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:20:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-22 16:20:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:20:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-22 16:20:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-22 16:20:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-22 16:20:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-22 16:20:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-22 16:20:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:20:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29