./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/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_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/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_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/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 4749945598aad49392ff7e08572aefcd51483347614bf2f6111264a526d0d26d --- 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 11:35:26,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:35:26,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:35:26,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:35:26,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:35:26,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:35:26,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:35:26,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:35:26,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:35:26,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:35:26,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:35:26,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:35:26,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:35:26,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:35:26,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:35:26,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:35:26,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:35:26,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:35:26,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:35:26,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:35:26,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:35:26,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:35:26,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:35:26,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:35:26,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:35:26,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:35:26,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:35:26,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:35:26,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:35:26,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:35:26,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:35:26,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:35:26,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:35:26,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:35:26,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:35:26,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:35:26,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:35:26,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:35:26,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:35:26,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:35:26,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:35:26,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 11:35:26,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:35:26,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:35:26,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:35:26,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:35:26,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:35:26,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:35:26,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:35:26,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:35:26,655 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:35:26,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:35:26,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:35:26,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:35:26,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:35:26,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:35:26,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:35:26,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:35:26,658 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:35:26,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:35:26,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:35:26,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:35:26,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:35:26,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:35:26,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:35:26,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:35:26,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:35:26,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:35:26,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:35:26,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:35:26,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:35:26,662 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:35:26,662 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:35:26,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:35:26,663 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_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4749945598aad49392ff7e08572aefcd51483347614bf2f6111264a526d0d26d [2022-11-20 11:35:26,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:35:26,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:35:26,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:35:26,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:35:26,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:35:26,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_good.i [2022-11-20 11:35:30,147 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:35:30,580 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:35:30,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_good.i [2022-11-20 11:35:30,619 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/data/f9eeecae3/6d3639125cff45aaa42d8d2088470b6e/FLAGdb91b1cd6 [2022-11-20 11:35:30,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/data/f9eeecae3/6d3639125cff45aaa42d8d2088470b6e [2022-11-20 11:35:30,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:35:30,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:35:30,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:35:30,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:35:30,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:35:30,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:30" (1/1) ... [2022-11-20 11:35:30,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1ecb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:30, skipping insertion in model container [2022-11-20 11:35:30,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:30" (1/1) ... [2022-11-20 11:35:30,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:35:30,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:35:31,167 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:35:31,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:35:31,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:35:31,863 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:35:31,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:35:32,025 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:35:32,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32 WrapperNode [2022-11-20 11:35:32,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:35:32,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:35:32,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:35:32,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:35:32,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,089 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2022-11-20 11:35:32,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:35:32,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:35:32,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:35:32,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:35:32,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,119 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:35:32,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:35:32,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:35:32,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:35:32,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (1/1) ... [2022-11-20 11:35:32,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:35:32,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:35:32,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:35:32,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:35:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 11:35:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 11:35:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 11:35:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 11:35:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:35:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:35:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:35:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 11:35:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 11:35:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:35:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:35:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:35:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 11:35:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:35:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:35:32,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:35:32,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:35:32,797 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:35:32,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:35:32,805 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:35:32,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:32 BoogieIcfgContainer [2022-11-20 11:35:32,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:35:32,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:35:32,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:35:32,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:35:32,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:30" (1/3) ... [2022-11-20 11:35:32,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60917d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:32, skipping insertion in model container [2022-11-20 11:35:32,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:32" (2/3) ... [2022-11-20 11:35:32,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60917d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:32, skipping insertion in model container [2022-11-20 11:35:32,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:32" (3/3) ... [2022-11-20 11:35:32,819 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_44_good.i [2022-11-20 11:35:32,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:35:32,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 11:35:32,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:35:32,899 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;@3810ea58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:35:32,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 11:35:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 11:35:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 11:35:32,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:32,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:32,918 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 232720563, now seen corresponding path program 1 times [2022-11-20 11:35:32,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:32,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12574360] [2022-11-20 11:35:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:32,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,224 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 11:35:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:33,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12574360] [2022-11-20 11:35:33,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12574360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:33,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:33,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:35:33,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222647031] [2022-11-20 11:35:33,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:33,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:35:33,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:33,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:35:33,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:35:33,278 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:33,317 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-11-20 11:35:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:35:33,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 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 11:35:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:33,341 INFO L225 Difference]: With dead ends: 45 [2022-11-20 11:35:33,342 INFO L226 Difference]: Without dead ends: 36 [2022-11-20 11:35:33,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 11:35:33,349 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 5 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:33,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:33,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-20 11:35:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2022-11-20 11:35:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.380952380952381) internal successors, (29), 27 states have internal predecessors, (29), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 11:35:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-11-20 11:35:33,396 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 13 [2022-11-20 11:35:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:33,397 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-11-20 11:35:33,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-20 11:35:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 11:35:33,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:33,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:33,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:35:33,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:33,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1376243481, now seen corresponding path program 1 times [2022-11-20 11:35:33,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:33,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879380553] [2022-11-20 11:35:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:33,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,525 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 11:35:33,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:33,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879380553] [2022-11-20 11:35:33,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879380553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:33,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:33,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:35:33,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509617725] [2022-11-20 11:35:33,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:33,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:35:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:33,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:35:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:35:33,530 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:33,549 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-11-20 11:35:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:35:33,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 11:35:33,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:33,552 INFO L225 Difference]: With dead ends: 36 [2022-11-20 11:35:33,552 INFO L226 Difference]: Without dead ends: 35 [2022-11-20 11:35:33,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 11:35:33,554 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:33,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:33,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-20 11:35:33,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-11-20 11:35:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 11:35:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-20 11:35:33,563 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 14 [2022-11-20 11:35:33,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:33,563 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-20 11:35:33,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-20 11:35:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 11:35:33,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:33,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:33,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:35:33,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:33,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:33,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1375597049, now seen corresponding path program 1 times [2022-11-20 11:35:33,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:33,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453757557] [2022-11-20 11:35:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,812 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 11:35:33,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:33,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453757557] [2022-11-20 11:35:33,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453757557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:33,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:33,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:35:33,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913352626] [2022-11-20 11:35:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:33,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:35:33,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:33,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:35:33,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:35:33,815 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:33,927 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2022-11-20 11:35:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:35:33,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 11:35:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:33,929 INFO L225 Difference]: With dead ends: 55 [2022-11-20 11:35:33,929 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 11:35:33,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:35:33,931 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 40 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:33,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 169 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:35:33,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 11:35:33,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2022-11-20 11:35:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 11:35:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2022-11-20 11:35:33,942 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 14 [2022-11-20 11:35:33,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:33,943 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2022-11-20 11:35:33,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-11-20 11:35:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 11:35:33,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:33,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:33,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:35:33,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:33,945 INFO L85 PathProgramCache]: Analyzing trace with hash 286125121, now seen corresponding path program 1 times [2022-11-20 11:35:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:33,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418268420] [2022-11-20 11:35:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:33,998 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 11:35:33,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:33,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418268420] [2022-11-20 11:35:33,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418268420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:33,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:33,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:35:33,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787695645] [2022-11-20 11:35:34,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:34,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:35:34,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:34,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:35:34,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:35:34,001 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:34,038 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2022-11-20 11:35:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:35:34,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-20 11:35:34,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:34,041 INFO L225 Difference]: With dead ends: 44 [2022-11-20 11:35:34,041 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 11:35:34,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 11:35:34,043 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:34,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 11:35:34,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-20 11:35:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 29 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 11:35:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-11-20 11:35:34,065 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 15 [2022-11-20 11:35:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:34,067 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-11-20 11:35:34,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:35:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-20 11:35:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 11:35:34,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:34,071 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:34,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:35:34,072 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:34,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:34,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1737288647, now seen corresponding path program 1 times [2022-11-20 11:35:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:34,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410585628] [2022-11-20 11:35:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:34,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:35:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:35:34,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:34,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410585628] [2022-11-20 11:35:34,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410585628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:34,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:34,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:35:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255216051] [2022-11-20 11:35:34,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:34,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:35:34,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:35:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:35:34,300 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:35:34,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:34,320 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-20 11:35:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:35:34,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-11-20 11:35:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:34,321 INFO L225 Difference]: With dead ends: 46 [2022-11-20 11:35:34,322 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 11:35:34,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 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 11:35:34,323 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:34,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 93 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 11:35:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 11:35:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 11:35:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-11-20 11:35:34,330 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2022-11-20 11:35:34,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:34,330 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-20 11:35:34,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:35:34,331 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-20 11:35:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 11:35:34,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:34,331 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:34,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:35:34,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1985645870, now seen corresponding path program 1 times [2022-11-20 11:35:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:34,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797707697] [2022-11-20 11:35:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:35:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:35:34,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:34,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797707697] [2022-11-20 11:35:34,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797707697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:34,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:34,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:35:34,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636145877] [2022-11-20 11:35:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:34,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:35:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:35:34,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:35:34,649 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:35:34,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:34,731 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2022-11-20 11:35:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:35:34,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-11-20 11:35:34,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:34,733 INFO L225 Difference]: With dead ends: 40 [2022-11-20 11:35:34,733 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 11:35:34,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:35:34,735 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 20 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:34,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 76 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 11:35:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 11:35:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 11:35:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-11-20 11:35:34,749 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 22 [2022-11-20 11:35:34,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:34,750 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2022-11-20 11:35:34,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:35:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-11-20 11:35:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 11:35:34,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:34,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:34,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:35:34,751 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-20 11:35:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:34,752 INFO L85 PathProgramCache]: Analyzing trace with hash -536206355, now seen corresponding path program 1 times [2022-11-20 11:35:34,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:35:34,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407409937] [2022-11-20 11:35:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:35:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:35:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:35:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-20 11:35:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:35:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:35:34,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:35:34,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407409937] [2022-11-20 11:35:34,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407409937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:34,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:34,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:35:34,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322608648] [2022-11-20 11:35:34,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:34,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:35:34,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:35:34,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:35:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:35:34,980 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:35:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:34,994 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-11-20 11:35:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:35:34,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-11-20 11:35:34,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:34,995 INFO L225 Difference]: With dead ends: 29 [2022-11-20 11:35:34,996 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:35:34,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 11:35:34,997 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:34,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:35:34,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:35:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:35:34,999 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 11:35:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:35:34,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-20 11:35:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:34,999 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:35:35,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:35:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:35:35,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:35:35,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 11:35:35,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 11:35:35,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 11:35:35,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 11:35:35,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:35:35,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:35:35,180 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 11:35:35,181 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 11:35:35,181 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 11:35:35,181 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 11:35:35,181 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 11:35:35,182 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 11:35:35,183 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 11:35:35,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,183 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,189 INFO L902 garLoopResultBuilder]: At program point L1598(lines 1592 1599) the Hoare annotation is: true [2022-11-20 11:35:35,190 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,191 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2022-11-20 11:35:35,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,191 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-20 11:35:35,191 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-20 11:35:35,191 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-20 11:35:35,192 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-11-20 11:35:35,192 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-20 11:35:35,192 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1591) no Hoare annotation was computed. [2022-11-20 11:35:35,193 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~goodB2GSink.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~goodB2GSink.offset|) (<= |#funAddr~goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |#funAddr~goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-11-20 11:35:35,193 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-20 11:35:35,193 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2022-11-20 11:35:35,194 INFO L895 garLoopResultBuilder]: At program point L1553(line 1553) the Hoare annotation is: (let ((.cse0 (<= (+ |##fun~int~TO~VOID_goodG2BSink_~data#1| 1) 0))) (and (or (not (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~goodB2GSink.offset| 1))) .cse0 (not (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ |#funAddr~goodB2GSink.base| 1))) (not (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|)) (not (<= |#funAddr~goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|))) (or (and (= |##fun~int~TO~VOID_goodG2BSink_~data#1| |##fun~int~TO~VOID_#in~94#1|) (= |##fun~int~TO~VOID_#~94#1| |##fun~int~TO~VOID_#in~94#1|) .cse0) (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~94#1|)))))) [2022-11-20 11:35:35,194 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-11-20 11:35:35,194 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-11-20 11:35:35,194 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,195 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-20 11:35:35,195 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L1568(lines 1568 1576) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1577) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-20 11:35:35,196 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1578) no Hoare annotation was computed. [2022-11-20 11:35:35,197 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-11-20 11:35:35,198 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-20 11:35:35,198 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-20 11:35:35,198 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-11-20 11:35:35,198 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1554) no Hoare annotation was computed. [2022-11-20 11:35:35,199 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1555) no Hoare annotation was computed. [2022-11-20 11:35:35,199 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (and (<= (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1) 0) (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= 0 (+ 2 |##fun~int~TO~VOID_#~94#1|)))) [2022-11-20 11:35:35,199 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (or (and (<= (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1) 0) (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= 0 (+ 2 |##fun~int~TO~VOID_#~94#1|)) (<= 0 (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1073741823))) (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~94#1|)))) [2022-11-20 11:35:35,206 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:35:35,208 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:35:35,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:35:35 BoogieIcfgContainer [2022-11-20 11:35:35,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:35:35,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:35:35,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:35:35,222 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:35:35,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:32" (3/4) ... [2022-11-20 11:35:35,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:35:35,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 11:35:35,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 11:35:35,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 11:35:35,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 11:35:35,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 11:35:35,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:35:35,241 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:35:35,286 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:35:35,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:35:35,287 INFO L158 Benchmark]: Toolchain (without parser) took 4644.43ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 129.5MB in the beginning and 133.2MB in the end (delta: -3.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,288 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:35:35,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.45ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 70.4MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 167.8MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,289 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:35:35,289 INFO L158 Benchmark]: RCFGBuilder took 683.18ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 66.1MB in the beginning and 183.0MB in the end (delta: -117.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,290 INFO L158 Benchmark]: TraceAbstraction took 2410.65ms. Allocated memory is still 224.4MB. Free memory was 183.0MB in the beginning and 136.4MB in the end (delta: 46.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,290 INFO L158 Benchmark]: Witness Printer took 65.08ms. Allocated memory is still 224.4MB. Free memory was 136.4MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:35:35,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.45ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 70.4MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 167.8MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 167.8MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.18ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 66.1MB in the beginning and 183.0MB in the end (delta: -117.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2410.65ms. Allocated memory is still 224.4MB. Free memory was 183.0MB in the beginning and 136.4MB in the end (delta: 46.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 65.08ms. Allocated memory is still 224.4MB. Free memory was 136.4MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: 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 4 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 632 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 240 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 29 PreInvPairs, 36 NumberOfFragments, 139 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 10/10 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 4 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 11:35:35,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8d5fbd-a9e2-4f47-84e2-59b7e9d53de8/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