./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash 591c54adc1121b083de0b200a5c7316453eb36621d8c8961d0757a9a42767e91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:07,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:07,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:07,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:07,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:07,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:07,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:07,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:07,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:07,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:07,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:07,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:07,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:07,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:07,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:07,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:07,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:07,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:07,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:07,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:07,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:07,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:07,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:07,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:07,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:07,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:07,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:07,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:07,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:07,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:07,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:07,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:07,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:07,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:07,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:07,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:07,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:07,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:07,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:07,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:07,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:07,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 09:27:07,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:07,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:07,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:07,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:07,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:07,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:07,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:07,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:07,799 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:07,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:07,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:27:07,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:07,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:07,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:07,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:07,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:07,802 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:27:07,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:07,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:07,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:07,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:07,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:07,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:07,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:07,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:07,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:07,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:07,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:07,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:07,805 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:07,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:07,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:07,806 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_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 591c54adc1121b083de0b200a5c7316453eb36621d8c8961d0757a9a42767e91 [2022-11-20 09:27:08,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:08,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:08,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:08,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:08,136 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:08,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2022-11-20 09:27:11,209 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:11,560 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:11,561 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2022-11-20 09:27:11,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/data/532cb391b/a7fc1579ce6e44c9b5ebde255865b932/FLAGb6af7cbfe [2022-11-20 09:27:11,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/data/532cb391b/a7fc1579ce6e44c9b5ebde255865b932 [2022-11-20 09:27:11,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:11,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:11,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:11,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:11,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:11,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44675a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:11, skipping insertion in model container [2022-11-20 09:27:11,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:11,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:12,059 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:27:12,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:12,700 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:12,721 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:27:12,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:13,019 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:13,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13 WrapperNode [2022-11-20 09:27:13,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:13,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:13,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:13,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:13,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,098 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2022-11-20 09:27:13,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:13,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:13,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:13,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:13,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:13,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:13,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:13,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:13,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:13,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:13,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:13,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 09:27:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 09:27:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:27:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:27:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:27:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:13,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:13,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:13,654 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:13,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:13,662 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 09:27:13,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:13 BoogieIcfgContainer [2022-11-20 09:27:13,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:13,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:13,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:13,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:13,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:11" (1/3) ... [2022-11-20 09:27:13,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155cfb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:13, skipping insertion in model container [2022-11-20 09:27:13,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13" (2/3) ... [2022-11-20 09:27:13,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155cfb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:13, skipping insertion in model container [2022-11-20 09:27:13,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:13" (3/3) ... [2022-11-20 09:27:13,698 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2022-11-20 09:27:13,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:13,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 09:27:13,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:13,793 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f93a47e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:13,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 09:27:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 09:27:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 09:27:13,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:13,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:13,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:13,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:13,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1948304064, now seen corresponding path program 1 times [2022-11-20 09:27:13,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:13,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081183714] [2022-11-20 09:27:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:13,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:14,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081183714] [2022-11-20 09:27:14,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081183714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:14,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:14,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096639953] [2022-11-20 09:27:14,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:14,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:27:14,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:27:14,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:14,382 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:14,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:14,485 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2022-11-20 09:27:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:27:14,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 09:27:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:14,500 INFO L225 Difference]: With dead ends: 102 [2022-11-20 09:27:14,500 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 09:27:14,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:14,511 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:14,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 155 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 09:27:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 09:27:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:27:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-20 09:27:14,556 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 12 [2022-11-20 09:27:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:14,558 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-20 09:27:14,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-20 09:27:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 09:27:14,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:14,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:14,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:27:14,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:14,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash -267883777, now seen corresponding path program 1 times [2022-11-20 09:27:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:14,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715385857] [2022-11-20 09:27:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:14,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:14,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715385857] [2022-11-20 09:27:14,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715385857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:14,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:14,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:27:14,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894594126] [2022-11-20 09:27:14,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:14,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:14,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:14,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:14,910 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:15,023 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2022-11-20 09:27:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:15,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 09:27:15,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:15,029 INFO L225 Difference]: With dead ends: 44 [2022-11-20 09:27:15,029 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 09:27:15,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:27:15,033 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:15,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 147 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:15,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 09:27:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 09:27:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:27:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-20 09:27:15,041 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 13 [2022-11-20 09:27:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:15,041 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-20 09:27:15,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 09:27:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 09:27:15,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:15,046 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:15,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:27:15,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:15,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1131433995, now seen corresponding path program 1 times [2022-11-20 09:27:15,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:15,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957963422] [2022-11-20 09:27:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:15,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:27:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 09:27:15,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:15,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957963422] [2022-11-20 09:27:15,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957963422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:15,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:15,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:15,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348605493] [2022-11-20 09:27:15,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:15,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:27:15,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:15,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:27:15,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:15,243 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:15,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:15,290 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-20 09:27:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:27:15,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-20 09:27:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:15,295 INFO L225 Difference]: With dead ends: 43 [2022-11-20 09:27:15,295 INFO L226 Difference]: Without dead ends: 42 [2022-11-20 09:27:15,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:15,303 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:15,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:15,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-20 09:27:15,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-20 09:27:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:27:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-11-20 09:27:15,323 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 22 [2022-11-20 09:27:15,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:15,323 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-11-20 09:27:15,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-20 09:27:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 09:27:15,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:15,325 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:15,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:27:15,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:15,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash 714715564, now seen corresponding path program 1 times [2022-11-20 09:27:15,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:15,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762900128] [2022-11-20 09:27:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:27:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 09:27:15,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:15,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762900128] [2022-11-20 09:27:15,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762900128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:15,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:15,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:27:15,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413937418] [2022-11-20 09:27:15,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:15,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:15,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:15,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:15,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:15,564 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:15,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:15,631 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-20 09:27:15,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:15,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-20 09:27:15,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:15,636 INFO L225 Difference]: With dead ends: 42 [2022-11-20 09:27:15,637 INFO L226 Difference]: Without dead ends: 41 [2022-11-20 09:27:15,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:27:15,645 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:15,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 109 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:15,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-20 09:27:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-20 09:27:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.206896551724138) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:27:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-20 09:27:15,663 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 23 [2022-11-20 09:27:15,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:15,664 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-20 09:27:15,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 09:27:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 09:27:15,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:15,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:15,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:27:15,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1032383293, now seen corresponding path program 1 times [2022-11-20 09:27:15,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:15,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892835113] [2022-11-20 09:27:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:27:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 09:27:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 09:27:15,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:15,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892835113] [2022-11-20 09:27:15,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892835113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:15,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:15,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:15,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999977004] [2022-11-20 09:27:15,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:15,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:15,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:15,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:15,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:15,758 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 09:27:15,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:15,776 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-20 09:27:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:15,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-20 09:27:15,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:15,778 INFO L225 Difference]: With dead ends: 41 [2022-11-20 09:27:15,778 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 09:27:15,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:15,780 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:15,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 78 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:15,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 09:27:15,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 09:27:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:27:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-20 09:27:15,793 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 30 [2022-11-20 09:27:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:15,794 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-20 09:27:15,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 09:27:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-20 09:27:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 09:27:15,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:15,796 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:15,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:27:15,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 09:27:15,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash -107847857, now seen corresponding path program 1 times [2022-11-20 09:27:15,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:15,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291418779] [2022-11-20 09:27:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:27:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:27:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 09:27:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-20 09:27:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 09:27:15,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:15,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291418779] [2022-11-20 09:27:15,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291418779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:15,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:15,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:15,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887604308] [2022-11-20 09:27:15,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:15,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:15,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:15,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:15,910 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 09:27:15,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:15,927 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-20 09:27:15,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:15,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-11-20 09:27:15,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:15,930 INFO L225 Difference]: With dead ends: 39 [2022-11-20 09:27:15,930 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:27:15,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:15,932 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:15,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:15,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:27:15,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:27:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:27:15,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-20 09:27:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:15,937 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:15,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 09:27:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:27:15,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:27:15,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 09:27:15,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 09:27:15,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 09:27:15,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 09:27:15,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 09:27:15,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 09:27:15,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 09:27:15,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 09:27:15,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:27:15,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:27:15,984 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 09:27:15,984 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 09:27:15,985 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 09:27:15,985 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 09:27:15,985 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 09:27:15,985 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 09:27:15,985 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 09:27:15,986 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2022-11-20 09:27:15,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-20 09:27:15,986 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-20 09:27:15,986 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2022-11-20 09:27:15,987 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-20 09:27:15,987 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2022-11-20 09:27:15,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-20 09:27:15,988 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:27:15,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-20 09:27:15,988 INFO L899 garLoopResultBuilder]: For program point L1630(lines 1630 1636) no Hoare annotation was computed. [2022-11-20 09:27:15,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:27:15,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-20 09:27:15,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:27:15,989 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 09:27:15,989 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-20 09:27:15,990 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2022-11-20 09:27:15,990 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1621) no Hoare annotation was computed. [2022-11-20 09:27:15,990 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-20 09:27:15,990 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2022-11-20 09:27:15,991 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-20 09:27:15,991 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1615 1629) no Hoare annotation was computed. [2022-11-20 09:27:15,991 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1572) no Hoare annotation was computed. [2022-11-20 09:27:15,991 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2022-11-20 09:27:15,991 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1592) no Hoare annotation was computed. [2022-11-20 09:27:15,992 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1572) no Hoare annotation was computed. [2022-11-20 09:27:15,992 INFO L902 garLoopResultBuilder]: At program point L1643(lines 1637 1644) the Hoare annotation is: true [2022-11-20 09:27:15,992 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-20 09:27:15,992 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1580) no Hoare annotation was computed. [2022-11-20 09:27:15,992 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1574 1593) no Hoare annotation was computed. [2022-11-20 09:27:15,994 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2022-11-20 09:27:15,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-20 09:27:15,996 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-20 09:27:15,997 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:27:15,997 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1556 1571) no Hoare annotation was computed. [2022-11-20 09:27:15,997 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1605) no Hoare annotation was computed. [2022-11-20 09:27:15,997 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-20 09:27:15,998 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1595 1613) no Hoare annotation was computed. [2022-11-20 09:27:15,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-20 09:27:15,998 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2022-11-20 09:27:16,000 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-20 09:27:16,000 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-20 09:27:16,001 INFO L902 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: true [2022-11-20 09:27:16,001 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2022-11-20 09:27:16,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-11-20 09:27:16,001 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2022-11-20 09:27:16,001 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-20 09:27:16,002 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2022-11-20 09:27:16,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2022-11-20 09:27:16,005 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 09:27:16,008 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:27:16,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:16 BoogieIcfgContainer [2022-11-20 09:27:16,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:27:16,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:16,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:16,019 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:16,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:13" (3/4) ... [2022-11-20 09:27:16,023 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:27:16,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 09:27:16,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 09:27:16,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 09:27:16,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:27:16,035 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 09:27:16,035 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:27:16,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:27:16,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:16,083 INFO L158 Benchmark]: Toolchain (without parser) took 4484.70ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 95.9MB in the beginning and 104.6MB in the end (delta: -8.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,083 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:16,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.06ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 69.0MB in the end (delta: 26.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.68ms. Allocated memory is still 132.1MB. Free memory was 69.0MB in the beginning and 65.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,084 INFO L158 Benchmark]: Boogie Preprocessor took 48.65ms. Allocated memory is still 132.1MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:16,085 INFO L158 Benchmark]: RCFGBuilder took 516.62ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 49.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,085 INFO L158 Benchmark]: TraceAbstraction took 2329.22ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 97.3MB in the beginning and 107.8MB in the end (delta: -10.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,086 INFO L158 Benchmark]: Witness Printer took 63.76ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:16,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.06ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 69.0MB in the end (delta: 26.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.68ms. Allocated memory is still 132.1MB. Free memory was 69.0MB in the beginning and 65.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.65ms. Allocated memory is still 132.1MB. Free memory was 65.5MB in the beginning and 64.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.62ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 49.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2329.22ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 97.3MB in the beginning and 107.8MB in the end (delta: -10.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 63.76ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 690 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 265 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 36 NumberOfFragments, 47 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1637]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 09:27:16,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88cadd6-d3d7-4452-9e08-cfe7d17112f8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE