./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/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_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/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_e8069683-6475-40cd-b2e4-9192a2d64c90/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 25ab4204fa4d37ee71ffb93ed41a6144f388a989c8f09486d5455bf3a4ece1ea --- 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 11:29:03,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:29:03,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:29:03,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:29:03,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:29:03,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:29:03,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:29:03,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:29:03,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:29:03,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:29:03,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:29:03,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:29:03,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:29:03,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:29:03,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:29:03,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:29:03,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:29:03,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:29:03,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:29:03,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:29:03,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:29:03,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:29:03,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:29:03,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:29:03,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:29:03,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:29:03,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:29:03,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:29:03,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:29:03,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:29:03,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:29:03,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:29:03,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:29:03,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:29:03,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:29:03,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:29:03,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:29:03,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:29:03,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:29:03,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:29:03,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:29:03,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 11:29:03,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:29:03,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:29:03,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:29:03,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:29:03,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:29:03,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:29:03,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:29:03,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:29:03,755 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:29:03,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:29:03,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:29:03,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:29:03,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:29:03,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:29:03,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:29:03,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:29:03,759 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:29:03,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:29:03,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:29:03,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:29:03,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:29:03,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:29:03,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:29:03,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:29:03,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:29:03,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:29:03,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:29:03,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:29:03,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:29:03,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:29:03,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:29:03,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:29:03,765 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_e8069683-6475-40cd-b2e4-9192a2d64c90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ab4204fa4d37ee71ffb93ed41a6144f388a989c8f09486d5455bf3a4ece1ea [2022-11-20 11:29:04,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:29:04,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:29:04,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:29:04,133 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:29:04,134 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:29:04,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-20 11:29:07,608 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:29:08,131 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:29:08,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-20 11:29:08,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/data/a6258441c/bf3f135bc11a451b9983814bc9d099b6/FLAG389f294a7 [2022-11-20 11:29:08,176 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/data/a6258441c/bf3f135bc11a451b9983814bc9d099b6 [2022-11-20 11:29:08,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:29:08,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:29:08,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:29:08,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:29:08,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:29:08,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:08" (1/1) ... [2022-11-20 11:29:08,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558d6d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:08, skipping insertion in model container [2022-11-20 11:29:08,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:08" (1/1) ... [2022-11-20 11:29:08,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:29:08,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:29:08,755 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:29:09,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:29:09,433 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:29:09,459 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:29:09,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:29:09,771 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:29:09,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09 WrapperNode [2022-11-20 11:29:09,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:29:09,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:29:09,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:29:09,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:29:09,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,870 INFO L138 Inliner]: procedures = 503, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-20 11:29:09,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:29:09,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:29:09,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:29:09,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:29:09,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:29:09,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:29:09,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:29:09,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:29:09,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (1/1) ... [2022-11-20 11:29:09,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:29:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:09,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:29:09,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:29:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 11:29:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 11:29:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 11:29:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 11:29:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 11:29:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 11:29:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:29:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:29:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:29:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-11-20 11:29:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-11-20 11:29:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 11:29:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:29:10,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:29:10,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:29:10,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:29:10,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:29:10,488 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:29:10,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:10 BoogieIcfgContainer [2022-11-20 11:29:10,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:29:10,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:29:10,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:29:10,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:29:10,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:29:08" (1/3) ... [2022-11-20 11:29:10,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:10, skipping insertion in model container [2022-11-20 11:29:10,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:09" (2/3) ... [2022-11-20 11:29:10,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:10, skipping insertion in model container [2022-11-20 11:29:10,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:10" (3/3) ... [2022-11-20 11:29:10,511 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_11_good.i [2022-11-20 11:29:10,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:29:10,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 11:29:10,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:29:10,640 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;@2b951c8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:29:10,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 11:29:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.46) internal successors, (73), 66 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-20 11:29:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 11:29:10,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:10,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:10,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:10,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1264640567, now seen corresponding path program 1 times [2022-11-20 11:29:10,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:10,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158234850] [2022-11-20 11:29:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:10,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,096 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 11:29:11,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:11,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158234850] [2022-11-20 11:29:11,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158234850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:11,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:11,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:11,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472195248] [2022-11-20 11:29:11,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:11,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:11,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:11,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:11,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:11,200 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.46) internal successors, (73), 66 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:29:11,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:11,380 INFO L93 Difference]: Finished difference Result 204 states and 278 transitions. [2022-11-20 11:29:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-20 11:29:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:11,407 INFO L225 Difference]: With dead ends: 204 [2022-11-20 11:29:11,408 INFO L226 Difference]: Without dead ends: 121 [2022-11-20 11:29:11,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 11:29:11,421 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 48 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:11,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 300 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:29:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-20 11:29:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 78. [2022-11-20 11:29:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 63 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 11:29:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2022-11-20 11:29:11,523 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 23 [2022-11-20 11:29:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:11,524 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2022-11-20 11:29:11,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:29:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-11-20 11:29:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 11:29:11,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:11,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:11,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:29:11,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:11,529 INFO L85 PathProgramCache]: Analyzing trace with hash 871613557, now seen corresponding path program 1 times [2022-11-20 11:29:11,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:11,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899312085] [2022-11-20 11:29:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:11,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:11,843 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 11:29:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:11,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899312085] [2022-11-20 11:29:11,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899312085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:11,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:11,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:29:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960466568] [2022-11-20 11:29:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:11,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:29:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:11,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:29:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:29:11,854 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:29:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:11,933 INFO L93 Difference]: Finished difference Result 134 states and 176 transitions. [2022-11-20 11:29:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:29:11,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-20 11:29:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:11,937 INFO L225 Difference]: With dead ends: 134 [2022-11-20 11:29:11,937 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 11:29:11,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 11:29:11,940 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:11,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 11:29:11,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-20 11:29:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 53 states have internal predecessors, (58), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2022-11-20 11:29:11,950 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 23 [2022-11-20 11:29:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:11,954 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2022-11-20 11:29:11,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:29:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-11-20 11:29:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 11:29:11,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:11,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:11,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:29:11,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1274928700, now seen corresponding path program 1 times [2022-11-20 11:29:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:11,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598187777] [2022-11-20 11:29:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:29:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:29:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:29:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 11:29:12,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:12,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598187777] [2022-11-20 11:29:12,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598187777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:12,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:12,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:29:12,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939717491] [2022-11-20 11:29:12,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:12,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:29:12,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:29:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:29:12,261 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:12,303 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2022-11-20 11:29:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:29:12,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-20 11:29:12,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:12,335 INFO L225 Difference]: With dead ends: 122 [2022-11-20 11:29:12,335 INFO L226 Difference]: Without dead ends: 67 [2022-11-20 11:29:12,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 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 11:29:12,338 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 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 11:29:12,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-20 11:29:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-20 11:29:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 52 states have internal predecessors, (57), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 11:29:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-20 11:29:12,363 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 41 [2022-11-20 11:29:12,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:12,364 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-20 11:29:12,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-20 11:29:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 11:29:12,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:12,366 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:12,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:29:12,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1384813879, now seen corresponding path program 1 times [2022-11-20 11:29:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:12,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605924407] [2022-11-20 11:29:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 11:29:12,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:12,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605924407] [2022-11-20 11:29:12,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605924407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:12,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:12,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:12,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562506829] [2022-11-20 11:29:12,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:12,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:12,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:12,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:12,471 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:12,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:12,520 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2022-11-20 11:29:12,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:12,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-11-20 11:29:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:12,522 INFO L225 Difference]: With dead ends: 143 [2022-11-20 11:29:12,522 INFO L226 Difference]: Without dead ends: 99 [2022-11-20 11:29:12,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 11:29:12,525 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 25 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:12,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 171 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-20 11:29:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 72. [2022-11-20 11:29:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 56 states have internal predecessors, (62), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-20 11:29:12,544 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 43 [2022-11-20 11:29:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:12,545 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-20 11:29:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-20 11:29:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 11:29:12,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:12,548 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:12,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:29:12,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:12,550 INFO L85 PathProgramCache]: Analyzing trace with hash 991786869, now seen corresponding path program 1 times [2022-11-20 11:29:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:12,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408023773] [2022-11-20 11:29:12,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 11:29:12,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:12,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408023773] [2022-11-20 11:29:12,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408023773] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:12,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136494864] [2022-11-20 11:29:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:12,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:12,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:12,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:12,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:29:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:12,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 11:29:13,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:13,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136494864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:13,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:13,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:29:13,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513832429] [2022-11-20 11:29:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:13,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:13,008 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:13,030 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2022-11-20 11:29:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:13,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-11-20 11:29:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:13,032 INFO L225 Difference]: With dead ends: 138 [2022-11-20 11:29:13,032 INFO L226 Difference]: Without dead ends: 92 [2022-11-20 11:29:13,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:13,034 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 25 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:13,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 188 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:13,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-20 11:29:13,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 66. [2022-11-20 11:29:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.25) internal successors, (55), 50 states have internal predecessors, (55), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 11:29:13,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2022-11-20 11:29:13,044 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 43 [2022-11-20 11:29:13,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:13,044 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2022-11-20 11:29:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:29:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-11-20 11:29:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 11:29:13,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:13,046 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:13,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 11:29:13,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:13,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1005799265, now seen corresponding path program 1 times [2022-11-20 11:29:13,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:13,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944452697] [2022-11-20 11:29:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 11:29:13,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:13,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944452697] [2022-11-20 11:29:13,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944452697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:13,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353415938] [2022-11-20 11:29:13,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:13,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:29:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:13,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-20 11:29:13,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:13,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353415938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:13,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:13,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 11:29:13,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295370285] [2022-11-20 11:29:13,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:13,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:13,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:13,628 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:29:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:13,661 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2022-11-20 11:29:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:13,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-11-20 11:29:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:13,667 INFO L225 Difference]: With dead ends: 101 [2022-11-20 11:29:13,667 INFO L226 Difference]: Without dead ends: 85 [2022-11-20 11:29:13,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:13,676 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 14 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:13,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 148 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:13,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-20 11:29:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2022-11-20 11:29:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.25) internal successors, (60), 53 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-20 11:29:13,689 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 55 [2022-11-20 11:29:13,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:13,690 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-20 11:29:13,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:29:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-20 11:29:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 11:29:13,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:13,692 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:13,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:13,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 11:29:13,893 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1115006006, now seen corresponding path program 1 times [2022-11-20 11:29:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:13,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031928628] [2022-11-20 11:29:13,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:13,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 11:29:14,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:14,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031928628] [2022-11-20 11:29:14,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031928628] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:14,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041009285] [2022-11-20 11:29:14,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:14,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:14,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:14,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:29:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-20 11:29:14,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:14,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041009285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:14,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:14,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 11:29:14,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368074418] [2022-11-20 11:29:14,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:14,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:14,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:14,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:14,277 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:29:14,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:14,294 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2022-11-20 11:29:14,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:14,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-11-20 11:29:14,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:14,296 INFO L225 Difference]: With dead ends: 71 [2022-11-20 11:29:14,296 INFO L226 Difference]: Without dead ends: 70 [2022-11-20 11:29:14,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:14,298 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 16 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 121 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 11:29:14,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 121 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-20 11:29:14,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-20 11:29:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 52 states have internal predecessors, (59), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-11-20 11:29:14,308 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 56 [2022-11-20 11:29:14,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:14,309 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-11-20 11:29:14,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:29:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-11-20 11:29:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 11:29:14,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:14,311 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:14,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:14,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 11:29:14,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:14,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1389146663, now seen corresponding path program 1 times [2022-11-20 11:29:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:14,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307027363] [2022-11-20 11:29:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:29:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 11:29:14,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:14,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307027363] [2022-11-20 11:29:14,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307027363] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:14,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800595431] [2022-11-20 11:29:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:14,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:14,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:14,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:29:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:14,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:14,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:29:14,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:14,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800595431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:14,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:14,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:29:14,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267737534] [2022-11-20 11:29:14,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:14,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:14,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:14,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:14,846 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:29:14,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:14,861 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2022-11-20 11:29:14,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-11-20 11:29:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:14,864 INFO L225 Difference]: With dead ends: 102 [2022-11-20 11:29:14,864 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 11:29:14,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:14,866 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 12 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 163 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 11:29:14,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 163 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 11:29:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2022-11-20 11:29:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 50 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-11-20 11:29:14,875 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 60 [2022-11-20 11:29:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:14,876 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-11-20 11:29:14,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:29:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-20 11:29:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 11:29:14,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:14,879 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:14,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:15,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:15,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:15,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1074039407, now seen corresponding path program 1 times [2022-11-20 11:29:15,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:15,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256206768] [2022-11-20 11:29:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 11:29:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:29:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 11:29:15,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:15,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256206768] [2022-11-20 11:29:15,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256206768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:15,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790427211] [2022-11-20 11:29:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:15,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:15,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:15,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:29:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:15,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 11:29:15,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:15,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790427211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:15,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:15,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 11:29:15,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488570845] [2022-11-20 11:29:15,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:15,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:15,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:15,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:15,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:15,394 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:15,410 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2022-11-20 11:29:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:15,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-20 11:29:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:15,416 INFO L225 Difference]: With dead ends: 75 [2022-11-20 11:29:15,416 INFO L226 Difference]: Without dead ends: 74 [2022-11-20 11:29:15,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:15,422 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:15,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 144 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:15,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-20 11:29:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2022-11-20 11:29:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 54 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-20 11:29:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-11-20 11:29:15,440 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 68 [2022-11-20 11:29:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:15,441 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-20 11:29:15,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-11-20 11:29:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 11:29:15,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:15,453 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:15,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:15,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1754097777, now seen corresponding path program 1 times [2022-11-20 11:29:15,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:15,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036858953] [2022-11-20 11:29:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 11:29:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:29:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 11:29:15,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:15,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036858953] [2022-11-20 11:29:15,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036858953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:15,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688325649] [2022-11-20 11:29:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:15,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:15,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:15,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 11:29:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:15,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:15,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 11:29:15,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:15,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688325649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:15,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:15,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:29:15,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524227258] [2022-11-20 11:29:15,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:15,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:15,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:15,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:15,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:16,000 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:16,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:16,016 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2022-11-20 11:29:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:16,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-20 11:29:16,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:16,018 INFO L225 Difference]: With dead ends: 75 [2022-11-20 11:29:16,018 INFO L226 Difference]: Without dead ends: 67 [2022-11-20 11:29:16,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:16,020 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:16,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-20 11:29:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-20 11:29:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.148936170212766) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:29:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-11-20 11:29:16,035 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 68 [2022-11-20 11:29:16,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:16,035 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-11-20 11:29:16,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-20 11:29:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 11:29:16,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:16,045 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:16,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:16,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 11:29:16,246 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 11:29:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1064516586, now seen corresponding path program 1 times [2022-11-20 11:29:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:16,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431352074] [2022-11-20 11:29:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:29:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:29:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:29:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:29:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:29:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:29:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:29:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:29:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 11:29:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:29:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 11:29:16,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:16,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431352074] [2022-11-20 11:29:16,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431352074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:29:16,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935335304] [2022-11-20 11:29:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:29:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:16,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:29:16,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 11:29:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:16,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:16,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 11:29:16,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:16,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935335304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:16,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:29:16,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 11:29:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251256357] [2022-11-20 11:29:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:16,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:16,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:16,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:16,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:16,570 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:16,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:16,586 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-11-20 11:29:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:16,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-11-20 11:29:16,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:16,588 INFO L225 Difference]: With dead ends: 67 [2022-11-20 11:29:16,588 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:29:16,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:29:16,592 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:16,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:29:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:29:16,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:29:16,594 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 11:29:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:29:16,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-11-20 11:29:16,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:16,595 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:29:16,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:29:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:29:16,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:29:16,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 11:29:16,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 11:29:16,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 11:29:16,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 11:29:16,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 11:29:16,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 11:29:16,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 11:29:16,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 11:29:16,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:29:16,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 11:29:16,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:29:16,905 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 11:29:16,905 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 11:29:16,906 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 11:29:16,906 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 11:29:16,906 INFO L902 garLoopResultBuilder]: At program point globalReturnsFalseENTRY(lines 1514 1517) the Hoare annotation is: true [2022-11-20 11:29:16,906 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2022-11-20 11:29:16,906 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-11-20 11:29:16,907 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 11:29:16,907 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 11:29:16,907 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 11:29:16,908 INFO L895 garLoopResultBuilder]: At program point L1604-3(lines 1604 1611) the Hoare annotation is: (or (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) (<= 0 .cse0)))) [2022-11-20 11:29:16,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-20 11:29:16,908 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-11-20 11:29:16,908 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 1629 1636) no Hoare annotation was computed. [2022-11-20 11:29:16,909 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2022-11-20 11:29:16,909 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2022-11-20 11:29:16,909 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) [2022-11-20 11:29:16,909 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2022-11-20 11:29:16,909 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1580 1583) no Hoare annotation was computed. [2022-11-20 11:29:16,910 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1583) the Hoare annotation is: (or (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-20 11:29:16,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 11:29:16,910 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-11-20 11:29:16,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-20 11:29:16,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1574) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2022-11-20 11:29:16,911 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-20 11:29:16,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-20 11:29:16,912 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2022-11-20 11:29:16,912 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-11-20 11:29:16,913 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-20 11:29:16,913 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-20 11:29:16,914 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-20 11:29:16,914 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-20 11:29:16,914 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-20 11:29:16,915 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: false [2022-11-20 11:29:16,915 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-20 11:29:16,916 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-11-20 11:29:16,916 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2022-11-20 11:29:16,916 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-20 11:29:16,917 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2022-11-20 11:29:16,917 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-20 11:29:16,917 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2022-11-20 11:29:16,917 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-11-20 11:29:16,917 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-11-20 11:29:16,918 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1625 1628) no Hoare annotation was computed. [2022-11-20 11:29:16,918 INFO L895 garLoopResultBuilder]: At program point L1625-4(lines 1625 1628) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) (or (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) .cse0) (let ((.cse1 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse1) (<= .cse1 0) .cse0)))) [2022-11-20 11:29:16,918 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-20 11:29:16,919 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2022-11-20 11:29:16,920 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-20 11:29:16,920 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-11-20 11:29:16,920 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1584 1598) no Hoare annotation was computed. [2022-11-20 11:29:16,920 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2022-11-20 11:29:16,921 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-20 11:29:16,921 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:29:16,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-11-20 11:29:16,921 INFO L902 garLoopResultBuilder]: At program point L1651(lines 1645 1652) the Hoare annotation is: true [2022-11-20 11:29:16,921 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2022-11-20 11:29:16,922 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-20 11:29:16,922 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2022-11-20 11:29:16,922 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2022-11-20 11:29:16,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:29:16,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-11-20 11:29:16,923 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2022-11-20 11:29:16,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-20 11:29:16,924 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-20 11:29:16,924 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2022-11-20 11:29:16,924 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1574) no Hoare annotation was computed. [2022-11-20 11:29:16,924 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-20 11:29:16,924 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1612 1619) no Hoare annotation was computed. [2022-11-20 11:29:16,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-20 11:29:16,925 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-20 11:29:16,925 INFO L902 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: true [2022-11-20 11:29:16,925 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2022-11-20 11:29:16,925 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1604 1611) no Hoare annotation was computed. [2022-11-20 11:29:16,926 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2022-11-20 11:29:16,926 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueENTRY(lines 1510 1513) the Hoare annotation is: true [2022-11-20 11:29:16,926 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-11-20 11:29:16,930 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:16,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:29:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:29:16 BoogieIcfgContainer [2022-11-20 11:29:16,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:29:16,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:29:16,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:29:16,950 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:29:16,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:10" (3/4) ... [2022-11-20 11:29:16,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:29:16,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 11:29:16,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-11-20 11:29:16,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 11:29:16,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-20 11:29:16,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 11:29:16,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 11:29:16,975 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 11:29:16,975 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:29:17,025 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:29:17,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:29:17,026 INFO L158 Benchmark]: Toolchain (without parser) took 8845.14ms. Allocated memory was 146.8MB in the beginning and 260.0MB in the end (delta: 113.2MB). Free memory was 112.5MB in the beginning and 180.6MB in the end (delta: -68.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,026 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:29:17,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1590.41ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 112.5MB in the beginning and 142.7MB in the end (delta: -30.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.06ms. Allocated memory is still 199.2MB. Free memory was 142.7MB in the beginning and 139.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,028 INFO L158 Benchmark]: Boogie Preprocessor took 43.87ms. Allocated memory is still 199.2MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,028 INFO L158 Benchmark]: RCFGBuilder took 574.64ms. Allocated memory is still 199.2MB. Free memory was 137.5MB in the beginning and 120.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,029 INFO L158 Benchmark]: TraceAbstraction took 6455.01ms. Allocated memory was 199.2MB in the beginning and 260.0MB in the end (delta: 60.8MB). Free memory was 120.7MB in the beginning and 184.8MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:29:17,029 INFO L158 Benchmark]: Witness Printer took 75.58ms. Allocated memory is still 260.0MB. Free memory was 184.8MB in the beginning and 180.6MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:29:17,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1590.41ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 112.5MB in the beginning and 142.7MB in the end (delta: -30.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.06ms. Allocated memory is still 199.2MB. Free memory was 142.7MB in the beginning and 139.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.87ms. Allocated memory is still 199.2MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.64ms. Allocated memory is still 199.2MB. Free memory was 137.5MB in the beginning and 120.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6455.01ms. Allocated memory was 199.2MB in the beginning and 260.0MB in the end (delta: 60.8MB). Free memory was 120.7MB in the beginning and 184.8MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.58ms. Allocated memory is still 260.0MB. Free memory was 184.8MB in the beginning and 180.6MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 2008 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 977 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1031 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 123 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 97 PreInvPairs, 117 NumberOfFragments, 92 HoareAnnotationTreeSize, 97 FomulaSimplifications, 53 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 1266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1338 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 504/530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 11:29:17,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8069683-6475-40cd-b2e4-9192a2d64c90/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE