./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 150a66a836464f467fb90ec51b7c24919c6718d6acc15c3a2ae1cbeb65f65711 --- 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-2329fc7 [2022-12-13 19:29:29,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:29:29,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:29:29,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:29:29,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:29:29,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:29:29,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:29:29,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:29:29,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:29:29,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:29:29,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:29:29,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:29:29,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:29:29,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:29:29,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:29:29,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:29:29,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:29:29,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:29:29,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:29:29,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:29:29,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:29:29,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:29:29,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:29:29,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:29:29,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:29:29,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:29:29,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:29:29,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:29:29,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:29:29,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:29:29,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:29:29,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:29:29,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:29:29,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:29:29,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:29:29,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:29:29,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:29:29,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:29:29,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:29:29,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:29:29,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:29:29,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:29:29,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:29:29,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:29:29,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:29:29,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:29:29,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:29:29,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:29:29,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:29:29,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:29:29,639 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:29:29,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:29:29,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:29:29,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:29:29,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:29:29,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:29:29,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:29:29,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:29:29,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:29:29,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:29:29,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:29:29,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:29:29,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:29:29,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:29:29,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:29:29,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:29:29,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:29:29,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:29:29,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:29:29,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:29:29,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:29:29,644 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:29:29,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:29:29,644 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:29:29,644 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a66a836464f467fb90ec51b7c24919c6718d6acc15c3a2ae1cbeb65f65711 [2022-12-13 19:29:29,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:29:29,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:29:29,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:29:29,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:29:29,843 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:29:29,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i [2022-12-13 19:29:32,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:29:32,516 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:29:32,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i [2022-12-13 19:29:32,521 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/data/adeb5f3f2/2e42539d6dab47498d6aa6b715f60d5a/FLAGab03052bb [2022-12-13 19:29:32,530 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/data/adeb5f3f2/2e42539d6dab47498d6aa6b715f60d5a [2022-12-13 19:29:32,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:29:32,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:29:32,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:29:32,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:29:32,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:29:32,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ee24c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32, skipping insertion in model container [2022-12-13 19:29:32,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:29:32,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:29:32,648 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i[873,886] [2022-12-13 19:29:32,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:29:32,662 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:29:32,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i[873,886] [2022-12-13 19:29:32,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:29:32,682 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:29:32,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32 WrapperNode [2022-12-13 19:29:32,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:29:32,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:29:32,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:29:32,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:29:32,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,707 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-12-13 19:29:32,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:29:32,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:29:32,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:29:32,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:29:32,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:29:32,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:29:32,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:29:32,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:29:32,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (1/1) ... [2022-12-13 19:29:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:29:32,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:32,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:29:32,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:29:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:29:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:29:32,825 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:29:32,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:29:32,920 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:29:32,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:29:32,926 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:29:32,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:29:32 BoogieIcfgContainer [2022-12-13 19:29:32,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:29:32,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:29:32,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:29:32,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:29:32,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:29:32" (1/3) ... [2022-12-13 19:29:32,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4614e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:29:32, skipping insertion in model container [2022-12-13 19:29:32,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:32" (2/3) ... [2022-12-13 19:29:32,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4614e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:29:32, skipping insertion in model container [2022-12-13 19:29:32,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:29:32" (3/3) ... [2022-12-13 19:29:32,934 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark16_conjunctive.i [2022-12-13 19:29:32,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:29:32,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 19:29:32,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:29:32,992 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;@5e7f2ab4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:29:32,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 19:29:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 26 states have internal predecessors, (31), 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) [2022-12-13 19:29:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:29:33,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:29:33,001 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)] === [2022-12-13 19:29:33,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,005 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-12-13 19:29:33,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873696931] [2022-12-13 19:29:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873696931] [2022-12-13 19:29:33,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873696931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857952702] [2022-12-13 19:29:33,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,172 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 26 states have internal predecessors, (31), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 19:29:33,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,210 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-12-13 19:29:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2022-12-13 19:29:33,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,220 INFO L225 Difference]: With dead ends: 42 [2022-12-13 19:29:33,221 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 19:29:33,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,227 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 23 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 15 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 19:29:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 19:29:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 19 states have internal predecessors, (20), 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) [2022-12-13 19:29:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-12-13 19:29:33,260 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 5 [2022-12-13 19:29:33,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,261 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-12-13 19:29:33,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 19:29:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-12-13 19:29:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:29:33,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:29:33,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:29:33,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,263 INFO L85 PathProgramCache]: Analyzing trace with hash 28695922, now seen corresponding path program 1 times [2022-12-13 19:29:33,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792089658] [2022-12-13 19:29:33,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792089658] [2022-12-13 19:29:33,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792089658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795752153] [2022-12-13 19:29:33,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,316 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 19:29:33,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,359 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2022-12-13 19:29:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2022-12-13 19:29:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,360 INFO L225 Difference]: With dead ends: 35 [2022-12-13 19:29:33,360 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 19:29:33,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,362 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 19:29:33,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2022-12-13 19:29:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5) internal successors, (27), 24 states have internal predecessors, (27), 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) [2022-12-13 19:29:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-12-13 19:29:33,369 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 5 [2022-12-13 19:29:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,369 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-12-13 19:29:33,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 19:29:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-13 19:29:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:29:33,370 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:29:33,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,372 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2022-12-13 19:29:33,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333372261] [2022-12-13 19:29:33,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333372261] [2022-12-13 19:29:33,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333372261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118863594] [2022-12-13 19:29:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,414 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:29:33,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,438 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-12-13 19:29:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-13 19:29:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,439 INFO L225 Difference]: With dead ends: 31 [2022-12-13 19:29:33,439 INFO L226 Difference]: Without dead ends: 30 [2022-12-13 19:29:33,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,441 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-13 19:29:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2022-12-13 19:29:33,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 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) [2022-12-13 19:29:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-12-13 19:29:33,447 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 6 [2022-12-13 19:29:33,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,447 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-12-13 19:29:33,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:29:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-13 19:29:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:29:33,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:29:33,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash 889573643, now seen corresponding path program 1 times [2022-12-13 19:29:33,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369073462] [2022-12-13 19:29:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369073462] [2022-12-13 19:29:33,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369073462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58919873] [2022-12-13 19:29:33,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,492 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:29:33,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,527 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-12-13 19:29:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-13 19:29:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,529 INFO L225 Difference]: With dead ends: 30 [2022-12-13 19:29:33,529 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 19:29:33,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,531 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 19 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 19:29:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 19:29:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.4375) internal successors, (23), 22 states have internal predecessors, (23), 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) [2022-12-13 19:29:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-12-13 19:29:33,536 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 6 [2022-12-13 19:29:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,536 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-12-13 19:29:33,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:29:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-12-13 19:29:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 19:29:33,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:29:33,544 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)] === [2022-12-13 19:29:33,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2022-12-13 19:29:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546780973] [2022-12-13 19:29:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546780973] [2022-12-13 19:29:33,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546780973] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639430537] [2022-12-13 19:29:33,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,573 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-13 19:29:33,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,592 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-12-13 19:29:33,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2022-12-13 19:29:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,594 INFO L225 Difference]: With dead ends: 26 [2022-12-13 19:29:33,594 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 19:29:33,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,595 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 19:29:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-12-13 19:29:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 23 states have internal predecessors, (24), 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) [2022-12-13 19:29:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 19:29:33,600 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 7 [2022-12-13 19:29:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,600 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 19:29:33,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-13 19:29:33,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 19:29:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 19:29:33,601 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:29:33,602 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,603 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2022-12-13 19:29:33,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287531318] [2022-12-13 19:29:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287531318] [2022-12-13 19:29:33,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287531318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846403223] [2022-12-13 19:29:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:29:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:29:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,639 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 19:29:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,655 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-13 19:29:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:29:33,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2022-12-13 19:29:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,656 INFO L225 Difference]: With dead ends: 24 [2022-12-13 19:29:33,656 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 19:29:33,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:29:33,657 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 9 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 [2022-12-13 19:29:33,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 9 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 19:29:33,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 19:29:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 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) [2022-12-13 19:29:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-12-13 19:29:33,662 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 8 [2022-12-13 19:29:33,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,662 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-12-13 19:29:33,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 19:29:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-12-13 19:29:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:29:33,662 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:29:33,663 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash 47508542, now seen corresponding path program 1 times [2022-12-13 19:29:33,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458097620] [2022-12-13 19:29:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:29:33,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458097620] [2022-12-13 19:29:33,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458097620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:33,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:33,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:29:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062006094] [2022-12-13 19:29:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:29:33,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:29:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:29:33,723 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-13 19:29:33,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,745 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-12-13 19:29:33,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:29:33,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2022-12-13 19:29:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,746 INFO L225 Difference]: With dead ends: 23 [2022-12-13 19:29:33,746 INFO L226 Difference]: Without dead ends: 21 [2022-12-13 19:29:33,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:29:33,748 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-13 19:29:33,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-13 19:29:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-12-13 19:29:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-12-13 19:29:33,751 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10 [2022-12-13 19:29:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,751 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-12-13 19:29:33,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-13 19:29:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-12-13 19:29:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:29:33,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,752 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:29:33,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2022-12-13 19:29:33,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:33,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168237545] [2022-12-13 19:29:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:33,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168237545] [2022-12-13 19:29:33,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168237545] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:33,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577464916] [2022-12-13 19:29:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:33,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:33,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:33,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:29:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:33,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:29:33,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:33,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577464916] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:33,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:33,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 19:29:33,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564580403] [2022-12-13 19:29:33,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:33,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:29:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:29:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:29:33,909 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-12-13 19:29:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:33,954 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2022-12-13 19:29:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:29:33,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) Word has length 11 [2022-12-13 19:29:33,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:33,955 INFO L225 Difference]: With dead ends: 59 [2022-12-13 19:29:33,955 INFO L226 Difference]: Without dead ends: 58 [2022-12-13 19:29:33,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:29:33,956 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:33,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 38 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:33,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-13 19:29:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 35. [2022-12-13 19:29:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 34 states have internal predecessors, (40), 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) [2022-12-13 19:29:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-12-13 19:29:33,960 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 11 [2022-12-13 19:29:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:33,960 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-12-13 19:29:33,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-12-13 19:29:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-12-13 19:29:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:29:33,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:33,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:33,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:29:34,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:34,163 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:34,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:34,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1472764863, now seen corresponding path program 1 times [2022-12-13 19:29:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:34,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936576685] [2022-12-13 19:29:34,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:29:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:34,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936576685] [2022-12-13 19:29:34,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936576685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:34,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:34,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:29:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357381937] [2022-12-13 19:29:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:34,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:29:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:34,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:29:34,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:29:34,304 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 19:29:34,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:34,329 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-12-13 19:29:34,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:29:34,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2022-12-13 19:29:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:34,330 INFO L225 Difference]: With dead ends: 35 [2022-12-13 19:29:34,330 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 19:29:34,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:29:34,331 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:34,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 19:29:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-13 19:29:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 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) [2022-12-13 19:29:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-12-13 19:29:34,336 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2022-12-13 19:29:34,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:34,336 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-12-13 19:29:34,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 19:29:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-13 19:29:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:29:34,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:34,337 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:34,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:29:34,337 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:34,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:34,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1588880781, now seen corresponding path program 1 times [2022-12-13 19:29:34,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:34,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715539527] [2022-12-13 19:29:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:34,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715539527] [2022-12-13 19:29:34,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715539527] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:34,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558578432] [2022-12-13 19:29:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:34,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:34,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:34,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:29:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:34,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:29:34,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558578432] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:34,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:34,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 19:29:34,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558492443] [2022-12-13 19:29:34,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:34,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:29:34,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:34,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:29:34,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:29:34,435 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-12-13 19:29:34,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:34,451 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-12-13 19:29:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:29:34,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) Word has length 12 [2022-12-13 19:29:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:34,452 INFO L225 Difference]: With dead ends: 30 [2022-12-13 19:29:34,452 INFO L226 Difference]: Without dead ends: 29 [2022-12-13 19:29:34,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:29:34,453 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:34,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:34,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-13 19:29:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-13 19:29:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 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) [2022-12-13 19:29:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-12-13 19:29:34,458 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 12 [2022-12-13 19:29:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:34,458 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2022-12-13 19:29:34,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-12-13 19:29:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-12-13 19:29:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 19:29:34,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:34,459 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2022-12-13 19:29:34,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:29:34,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:29:34,660 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:34,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:34,661 INFO L85 PathProgramCache]: Analyzing trace with hash 924342317, now seen corresponding path program 2 times [2022-12-13 19:29:34,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:34,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593942538] [2022-12-13 19:29:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:34,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593942538] [2022-12-13 19:29:34,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593942538] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:34,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374679976] [2022-12-13 19:29:34,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:29:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:34,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:34,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:29:34,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:29:34,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:34,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:29:34,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:34,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374679976] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:34,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:34,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-12-13 19:29:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750442517] [2022-12-13 19:29:34,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:34,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:29:34,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:29:34,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:29:34,874 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-12-13 19:29:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:34,906 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2022-12-13 19:29:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:29:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) Word has length 26 [2022-12-13 19:29:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:34,907 INFO L225 Difference]: With dead ends: 64 [2022-12-13 19:29:34,907 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 19:29:34,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:29:34,908 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:34,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 47 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 19:29:34,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 58. [2022-12-13 19:29:34,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.125) internal successors, (63), 57 states have internal predecessors, (63), 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) [2022-12-13 19:29:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2022-12-13 19:29:34,915 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 26 [2022-12-13 19:29:34,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:34,916 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2022-12-13 19:29:34,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-12-13 19:29:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2022-12-13 19:29:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 19:29:34,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:34,917 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1] [2022-12-13 19:29:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:29:35,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 19:29:35,118 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:35,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:35,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1410159193, now seen corresponding path program 2 times [2022-12-13 19:29:35,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:35,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524443961] [2022-12-13 19:29:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:35,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:35,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:35,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524443961] [2022-12-13 19:29:35,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524443961] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:35,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160872351] [2022-12-13 19:29:35,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:29:35,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:35,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:35,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:35,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:29:35,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:29:35,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:35,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:29:35,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:35,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:35,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160872351] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:35,425 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:35,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-12-13 19:29:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953522047] [2022-12-13 19:29:35,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:35,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:29:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:29:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:29:35,427 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 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) [2022-12-13 19:29:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:35,455 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2022-12-13 19:29:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:29:35,456 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 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) Word has length 27 [2022-12-13 19:29:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:35,456 INFO L225 Difference]: With dead ends: 60 [2022-12-13 19:29:35,456 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 19:29:35,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:29:35,457 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:35,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 19:29:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-13 19:29:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 57 states have (on average 1.0350877192982457) internal successors, (59), 58 states have internal predecessors, (59), 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) [2022-12-13 19:29:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2022-12-13 19:29:35,463 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 27 [2022-12-13 19:29:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:35,464 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2022-12-13 19:29:35,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 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) [2022-12-13 19:29:35,464 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-12-13 19:29:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 19:29:35,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:35,465 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2022-12-13 19:29:35,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:29:35,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 19:29:35,666 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:35,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1183028819, now seen corresponding path program 3 times [2022-12-13 19:29:35,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:35,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732486821] [2022-12-13 19:29:35,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:35,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:35,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:35,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732486821] [2022-12-13 19:29:35,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732486821] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:35,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249033106] [2022-12-13 19:29:35,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:29:35,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:35,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:35,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:35,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:29:35,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 19:29:35,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:35,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 19:29:35,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:35,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:36,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249033106] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:36,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:36,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-12-13 19:29:36,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224296767] [2022-12-13 19:29:36,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:36,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 19:29:36,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:36,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 19:29:36,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:29:36,132 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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) [2022-12-13 19:29:36,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:36,200 INFO L93 Difference]: Finished difference Result 130 states and 141 transitions. [2022-12-13 19:29:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 19:29:36,200 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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) Word has length 56 [2022-12-13 19:29:36,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:36,201 INFO L225 Difference]: With dead ends: 130 [2022-12-13 19:29:36,202 INFO L226 Difference]: Without dead ends: 129 [2022-12-13 19:29:36,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:29:36,203 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 28 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:36,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 91 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:36,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-13 19:29:36,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 118. [2022-12-13 19:29:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.1120689655172413) internal successors, (129), 117 states have internal predecessors, (129), 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) [2022-12-13 19:29:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 129 transitions. [2022-12-13 19:29:36,212 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 129 transitions. Word has length 56 [2022-12-13 19:29:36,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:36,212 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 129 transitions. [2022-12-13 19:29:36,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 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) [2022-12-13 19:29:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2022-12-13 19:29:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 19:29:36,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:36,213 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1, 1] [2022-12-13 19:29:36,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:29:36,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:36,414 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1980812327, now seen corresponding path program 3 times [2022-12-13 19:29:36,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:36,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064274183] [2022-12-13 19:29:36,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:36,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:36,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064274183] [2022-12-13 19:29:36,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064274183] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:36,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771766327] [2022-12-13 19:29:36,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:29:36,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:36,676 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:36,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:29:36,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 19:29:36,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:36,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 19:29:36,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:36,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:36,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771766327] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:36,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:36,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-12-13 19:29:36,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926243496] [2022-12-13 19:29:36,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:36,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 19:29:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:36,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 19:29:36,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:29:36,991 INFO L87 Difference]: Start difference. First operand 118 states and 129 transitions. Second operand has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 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) [2022-12-13 19:29:37,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:37,069 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2022-12-13 19:29:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 19:29:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 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) Word has length 57 [2022-12-13 19:29:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:37,071 INFO L225 Difference]: With dead ends: 120 [2022-12-13 19:29:37,071 INFO L226 Difference]: Without dead ends: 119 [2022-12-13 19:29:37,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:29:37,072 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:37,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:37,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-12-13 19:29:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-12-13 19:29:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.017094017094017) internal successors, (119), 118 states have internal predecessors, (119), 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) [2022-12-13 19:29:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2022-12-13 19:29:37,084 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 57 [2022-12-13 19:29:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:37,084 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2022-12-13 19:29:37,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 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) [2022-12-13 19:29:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2022-12-13 19:29:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 19:29:37,089 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:37,090 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2022-12-13 19:29:37,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 19:29:37,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:37,291 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:37,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:37,292 INFO L85 PathProgramCache]: Analyzing trace with hash 493726893, now seen corresponding path program 4 times [2022-12-13 19:29:37,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:37,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100034359] [2022-12-13 19:29:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:37,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:37,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100034359] [2022-12-13 19:29:37,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100034359] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:37,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290122929] [2022-12-13 19:29:37,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 19:29:37,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:37,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:37,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:29:37,814 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 19:29:37,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:37,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 19:29:37,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:37,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:38,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290122929] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:38,542 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:38,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-12-13 19:29:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259889831] [2022-12-13 19:29:38,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:38,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 19:29:38,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:38,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 19:29:38,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 19:29:38,545 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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) [2022-12-13 19:29:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:38,705 INFO L93 Difference]: Finished difference Result 262 states and 285 transitions. [2022-12-13 19:29:38,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 19:29:38,705 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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) Word has length 116 [2022-12-13 19:29:38,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:38,707 INFO L225 Difference]: With dead ends: 262 [2022-12-13 19:29:38,707 INFO L226 Difference]: Without dead ends: 261 [2022-12-13 19:29:38,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 19:29:38,708 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 60 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:38,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 178 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:29:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-12-13 19:29:38,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 238. [2022-12-13 19:29:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.1059322033898304) internal successors, (261), 237 states have internal predecessors, (261), 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) [2022-12-13 19:29:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 261 transitions. [2022-12-13 19:29:38,723 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 261 transitions. Word has length 116 [2022-12-13 19:29:38,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:38,723 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 261 transitions. [2022-12-13 19:29:38,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.8936170212765955) internal successors, (230), 48 states have internal predecessors, (230), 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) [2022-12-13 19:29:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 261 transitions. [2022-12-13 19:29:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 19:29:38,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:38,725 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 1, 1, 1, 1] [2022-12-13 19:29:38,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 19:29:38,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 19:29:38,926 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:38,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:38,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1874335449, now seen corresponding path program 4 times [2022-12-13 19:29:38,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:38,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333638173] [2022-12-13 19:29:38,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:38,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:39,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:39,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333638173] [2022-12-13 19:29:39,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333638173] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:39,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410092570] [2022-12-13 19:29:39,372 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 19:29:39,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:39,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:39,373 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:39,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:29:39,423 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 19:29:39,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:39,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 19:29:39,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:39,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:40,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410092570] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:40,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:40,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-12-13 19:29:40,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954101182] [2022-12-13 19:29:40,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:40,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 19:29:40,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:40,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 19:29:40,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 19:29:40,105 INFO L87 Difference]: Start difference. First operand 238 states and 261 transitions. Second operand has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 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) [2022-12-13 19:29:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:40,210 INFO L93 Difference]: Finished difference Result 240 states and 263 transitions. [2022-12-13 19:29:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 19:29:40,210 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 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) Word has length 117 [2022-12-13 19:29:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:40,211 INFO L225 Difference]: With dead ends: 240 [2022-12-13 19:29:40,211 INFO L226 Difference]: Without dead ends: 239 [2022-12-13 19:29:40,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 19:29:40,213 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:40,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:29:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-12-13 19:29:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-12-13 19:29:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 237 states have (on average 1.0084388185654007) internal successors, (239), 238 states have internal predecessors, (239), 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) [2022-12-13 19:29:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2022-12-13 19:29:40,225 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 117 [2022-12-13 19:29:40,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:40,225 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2022-12-13 19:29:40,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 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) [2022-12-13 19:29:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2022-12-13 19:29:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-12-13 19:29:40,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:40,228 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1, 1] [2022-12-13 19:29:40,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 19:29:40,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 19:29:40,429 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:40,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 982823597, now seen corresponding path program 5 times [2022-12-13 19:29:40,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:40,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105146668] [2022-12-13 19:29:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:41,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:41,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105146668] [2022-12-13 19:29:41,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105146668] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:41,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817679587] [2022-12-13 19:29:41,778 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 19:29:41,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:41,779 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:41,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 19:29:42,113 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-12-13 19:29:42,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:42,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 19:29:42,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:42,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:44,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817679587] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:44,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:44,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-12-13 19:29:44,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159472386] [2022-12-13 19:29:44,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:44,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 19:29:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 19:29:44,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 19:29:44,193 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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) [2022-12-13 19:29:44,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:44,495 INFO L93 Difference]: Finished difference Result 526 states and 573 transitions. [2022-12-13 19:29:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 19:29:44,496 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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) Word has length 236 [2022-12-13 19:29:44,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:44,497 INFO L225 Difference]: With dead ends: 526 [2022-12-13 19:29:44,497 INFO L226 Difference]: Without dead ends: 525 [2022-12-13 19:29:44,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 19:29:44,499 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 148 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:44,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 350 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:29:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-12-13 19:29:44,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 478. [2022-12-13 19:29:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 476 states have (on average 1.1029411764705883) internal successors, (525), 477 states have internal predecessors, (525), 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) [2022-12-13 19:29:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 525 transitions. [2022-12-13 19:29:44,510 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 525 transitions. Word has length 236 [2022-12-13 19:29:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:44,510 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 525 transitions. [2022-12-13 19:29:44,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.947368421052632) internal successors, (470), 96 states have internal predecessors, (470), 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) [2022-12-13 19:29:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 525 transitions. [2022-12-13 19:29:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 19:29:44,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:44,512 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 1, 1, 1, 1] [2022-12-13 19:29:44,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 19:29:44,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 19:29:44,714 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:44,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:44,715 INFO L85 PathProgramCache]: Analyzing trace with hash 402760487, now seen corresponding path program 5 times [2022-12-13 19:29:44,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:44,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029627904] [2022-12-13 19:29:44,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5359 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:45,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029627904] [2022-12-13 19:29:45,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029627904] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453756585] [2022-12-13 19:29:45,891 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 19:29:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:45,892 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:45,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 19:29:46,226 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-12-13 19:29:46,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:46,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 19:29:46,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5359 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:46,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:29:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5359 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:48,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453756585] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:29:48,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:29:48,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-12-13 19:29:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736608136] [2022-12-13 19:29:48,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:29:48,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 19:29:48,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 19:29:48,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 19:29:48,308 INFO L87 Difference]: Start difference. First operand 478 states and 525 transitions. Second operand has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 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) [2022-12-13 19:29:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:48,514 INFO L93 Difference]: Finished difference Result 480 states and 527 transitions. [2022-12-13 19:29:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 19:29:48,515 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 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) Word has length 237 [2022-12-13 19:29:48,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:48,516 INFO L225 Difference]: With dead ends: 480 [2022-12-13 19:29:48,516 INFO L226 Difference]: Without dead ends: 479 [2022-12-13 19:29:48,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 19:29:48,518 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:48,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 300 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:29:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-12-13 19:29:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2022-12-13 19:29:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 477 states have (on average 1.0041928721174005) internal successors, (479), 478 states have internal predecessors, (479), 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) [2022-12-13 19:29:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 479 transitions. [2022-12-13 19:29:48,529 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 479 transitions. Word has length 237 [2022-12-13 19:29:48,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:48,530 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 479 transitions. [2022-12-13 19:29:48,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 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) [2022-12-13 19:29:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 479 transitions. [2022-12-13 19:29:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-12-13 19:29:48,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:48,534 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1, 1] [2022-12-13 19:29:48,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 19:29:48,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 19:29:48,736 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:29:48,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:48,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1056226989, now seen corresponding path program 6 times [2022-12-13 19:29:48,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:48,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24899112] [2022-12-13 19:29:48,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:48,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:53,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:53,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24899112] [2022-12-13 19:29:53,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24899112] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:29:53,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76181346] [2022-12-13 19:29:53,101 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 19:29:53,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:29:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:53,102 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:29:53,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 19:29:54,002 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-12-13 19:29:54,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:29:54,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 19:29:54,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:54,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:30:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:00,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76181346] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:30:00,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:30:00,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-12-13 19:30:00,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937637698] [2022-12-13 19:30:00,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:30:00,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-12-13 19:30:00,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:30:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-12-13 19:30:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 19:30:00,798 INFO L87 Difference]: Start difference. First operand 479 states and 479 transitions. Second operand has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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) [2022-12-13 19:30:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:02,200 INFO L93 Difference]: Finished difference Result 1054 states and 1149 transitions. [2022-12-13 19:30:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-12-13 19:30:02,201 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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) Word has length 476 [2022-12-13 19:30:02,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:02,203 INFO L225 Difference]: With dead ends: 1054 [2022-12-13 19:30:02,203 INFO L226 Difference]: Without dead ends: 1053 [2022-12-13 19:30:02,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 19:30:02,206 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 337 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:30:02,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 687 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:30:02,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-12-13 19:30:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 958. [2022-12-13 19:30:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 956 states have (on average 1.1014644351464435) internal successors, (1053), 957 states have internal predecessors, (1053), 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) [2022-12-13 19:30:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1053 transitions. [2022-12-13 19:30:02,228 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1053 transitions. Word has length 476 [2022-12-13 19:30:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:02,228 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1053 transitions. [2022-12-13 19:30:02,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.973821989528796) internal successors, (950), 192 states have internal predecessors, (950), 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) [2022-12-13 19:30:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1053 transitions. [2022-12-13 19:30:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-12-13 19:30:02,230 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:02,231 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 1, 1, 1, 1] [2022-12-13 19:30:02,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-13 19:30:02,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:30:02,432 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:30:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1616701657, now seen corresponding path program 6 times [2022-12-13 19:30:02,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:02,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974256901] [2022-12-13 19:30:02,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:02,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22231 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:06,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:30:06,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974256901] [2022-12-13 19:30:06,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974256901] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:30:06,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719128059] [2022-12-13 19:30:06,920 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 19:30:06,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:30:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:30:06,920 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:30:06,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 19:30:08,046 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-12-13 19:30:08,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:30:08,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 19:30:08,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 22231 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:08,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:30:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 22231 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:14,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719128059] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:30:14,779 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:30:14,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-12-13 19:30:14,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504479756] [2022-12-13 19:30:14,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:30:14,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-12-13 19:30:14,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:30:14,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-12-13 19:30:14,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 19:30:14,791 INFO L87 Difference]: Start difference. First operand 958 states and 1053 transitions. Second operand has 192 states, 191 states have (on average 4.984293193717278) internal successors, (952), 192 states have internal predecessors, (952), 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) [2022-12-13 19:30:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:16,050 INFO L93 Difference]: Finished difference Result 960 states and 1055 transitions. [2022-12-13 19:30:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-12-13 19:30:16,051 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.984293193717278) internal successors, (952), 192 states have internal predecessors, (952), 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) Word has length 477 [2022-12-13 19:30:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:16,056 INFO L225 Difference]: With dead ends: 960 [2022-12-13 19:30:16,056 INFO L226 Difference]: Without dead ends: 959 [2022-12-13 19:30:16,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1048 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-12-13 19:30:16,058 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:30:16,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 594 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:30:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-12-13 19:30:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-12-13 19:30:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 957 states have (on average 1.0020898641588296) internal successors, (959), 958 states have internal predecessors, (959), 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) [2022-12-13 19:30:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 959 transitions. [2022-12-13 19:30:16,079 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 959 transitions. Word has length 477 [2022-12-13 19:30:16,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:16,080 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 959 transitions. [2022-12-13 19:30:16,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.984293193717278) internal successors, (952), 192 states have internal predecessors, (952), 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) [2022-12-13 19:30:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 959 transitions. [2022-12-13 19:30:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2022-12-13 19:30:16,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:16,086 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1, 1] [2022-12-13 19:30:16,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 19:30:16,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:30:16,287 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:30:16,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash 402445997, now seen corresponding path program 7 times [2022-12-13 19:30:16,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:16,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690049858] [2022-12-13 19:30:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:30:36,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690049858] [2022-12-13 19:30:36,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690049858] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:30:36,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081563853] [2022-12-13 19:30:36,917 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 19:30:36,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:30:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:30:36,918 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:30:36,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 19:30:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:37,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 192 conjunts are in the unsatisfiable core [2022-12-13 19:30:37,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:37,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:31:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:31:02,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081563853] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:31:02,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:31:02,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2022-12-13 19:31:02,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377671363] [2022-12-13 19:31:02,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:31:02,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-12-13 19:31:02,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:31:02,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-12-13 19:31:02,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 19:31:02,647 INFO L87 Difference]: Start difference. First operand 959 states and 959 transitions. Second operand has 384 states, 383 states have (on average 4.986945169712794) internal successors, (1910), 384 states have internal predecessors, (1910), 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) [2022-12-13 19:31:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:31:12,654 INFO L93 Difference]: Finished difference Result 2110 states and 2301 transitions. [2022-12-13 19:31:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-12-13 19:31:12,655 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 4.986945169712794) internal successors, (1910), 384 states have internal predecessors, (1910), 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) Word has length 956 [2022-12-13 19:31:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:31:12,659 INFO L225 Difference]: With dead ends: 2110 [2022-12-13 19:31:12,659 INFO L226 Difference]: Without dead ends: 2109 [2022-12-13 19:31:12,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2102 GetRequests, 1720 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 19:31:12,665 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 789 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:31:12,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1355 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 19:31:12,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2022-12-13 19:31:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1918. [2022-12-13 19:31:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1916 states have (on average 1.100730688935282) internal successors, (2109), 1917 states have internal predecessors, (2109), 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) [2022-12-13 19:31:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2109 transitions. [2022-12-13 19:31:12,703 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2109 transitions. Word has length 956 [2022-12-13 19:31:12,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:31:12,704 INFO L495 AbstractCegarLoop]: Abstraction has 1918 states and 2109 transitions. [2022-12-13 19:31:12,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 4.986945169712794) internal successors, (1910), 384 states have internal predecessors, (1910), 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) [2022-12-13 19:31:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2109 transitions. [2022-12-13 19:31:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-12-13 19:31:12,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:31:12,710 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 190, 190, 1, 1, 1, 1] [2022-12-13 19:31:12,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 19:31:12,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-13 19:31:12,911 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:31:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:31:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash -409075929, now seen corresponding path program 7 times [2022-12-13 19:31:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:31:12,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670809024] [2022-12-13 19:31:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:31:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:31:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:31:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 90535 backedges. 0 proven. 90535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:31:34,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:31:34,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670809024] [2022-12-13 19:31:34,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670809024] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:31:34,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764736108] [2022-12-13 19:31:34,204 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 19:31:34,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:31:34,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:31:34,205 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:31:34,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 19:31:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:31:34,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 192 conjunts are in the unsatisfiable core [2022-12-13 19:31:34,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:31:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 90535 backedges. 0 proven. 90535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:31:35,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:32:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 90535 backedges. 0 proven. 90535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:32:00,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764736108] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:32:00,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:32:00,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2022-12-13 19:32:00,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318231282] [2022-12-13 19:32:00,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:32:00,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-12-13 19:32:00,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:32:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-12-13 19:32:00,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 19:32:00,882 INFO L87 Difference]: Start difference. First operand 1918 states and 2109 transitions. Second operand has 384 states, 383 states have (on average 4.992167101827676) internal successors, (1912), 384 states have internal predecessors, (1912), 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) [2022-12-13 19:32:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:32:08,295 INFO L93 Difference]: Finished difference Result 1920 states and 2111 transitions. [2022-12-13 19:32:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-12-13 19:32:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 4.992167101827676) internal successors, (1912), 384 states have internal predecessors, (1912), 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) Word has length 957 [2022-12-13 19:32:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:32:08,301 INFO L225 Difference]: With dead ends: 1920 [2022-12-13 19:32:08,301 INFO L226 Difference]: Without dead ends: 1919 [2022-12-13 19:32:08,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2104 GetRequests, 1722 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-12-13 19:32:08,307 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:32:08,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1168 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 19:32:08,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2022-12-13 19:32:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1919. [2022-12-13 19:32:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1917 states have (on average 1.0010432968179448) internal successors, (1919), 1918 states have internal predecessors, (1919), 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) [2022-12-13 19:32:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 1919 transitions. [2022-12-13 19:32:08,349 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 1919 transitions. Word has length 957 [2022-12-13 19:32:08,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:32:08,350 INFO L495 AbstractCegarLoop]: Abstraction has 1919 states and 1919 transitions. [2022-12-13 19:32:08,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 4.992167101827676) internal successors, (1912), 384 states have internal predecessors, (1912), 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) [2022-12-13 19:32:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 1919 transitions. [2022-12-13 19:32:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2022-12-13 19:32:08,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:32:08,371 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 382, 382, 382, 1, 1, 1, 1] [2022-12-13 19:32:08,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-13 19:32:08,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:32:08,573 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:32:08,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:32:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1261242029, now seen corresponding path program 8 times [2022-12-13 19:32:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:32:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223351162] [2022-12-13 19:32:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:32:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:32:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:34:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 365001 backedges. 0 proven. 365001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:34:06,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:34:06,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223351162] [2022-12-13 19:34:06,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223351162] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:34:06,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476243305] [2022-12-13 19:34:06,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:34:06,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:34:06,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:34:06,150 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:34:06,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 19:34:06,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:34:06,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:34:06,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 384 conjunts are in the unsatisfiable core [2022-12-13 19:34:06,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:34:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 365001 backedges. 0 proven. 365001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:34:07,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:35:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 365001 backedges. 0 proven. 365001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:35:58,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476243305] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:35:58,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:35:58,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2022-12-13 19:35:58,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561054909] [2022-12-13 19:35:58,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:35:58,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2022-12-13 19:35:58,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:35:58,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2022-12-13 19:35:58,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 19:35:58,193 INFO L87 Difference]: Start difference. First operand 1919 states and 1919 transitions. Second operand has 768 states, 767 states have (on average 4.99348109517601) internal successors, (3830), 768 states have internal predecessors, (3830), 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) [2022-12-13 19:37:33,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:37:33,811 INFO L93 Difference]: Finished difference Result 4222 states and 4605 transitions. [2022-12-13 19:37:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2022-12-13 19:37:33,812 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 4.99348109517601) internal successors, (3830), 768 states have internal predecessors, (3830), 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) Word has length 1916 [2022-12-13 19:37:33,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:37:33,818 INFO L225 Difference]: With dead ends: 4222 [2022-12-13 19:37:33,818 INFO L226 Difference]: Without dead ends: 4221 [2022-12-13 19:37:33,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4214 GetRequests, 3448 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 141.1s TimeCoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 19:37:33,843 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 1991 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:37:33,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 2701 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 19:37:33,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2022-12-13 19:37:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 3838. [2022-12-13 19:37:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 3836 states have (on average 1.1003649635036497) internal successors, (4221), 3837 states have internal predecessors, (4221), 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) [2022-12-13 19:37:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 4221 transitions. [2022-12-13 19:37:33,916 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 4221 transitions. Word has length 1916 [2022-12-13 19:37:33,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:37:33,917 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 4221 transitions. [2022-12-13 19:37:33,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 4.99348109517601) internal successors, (3830), 768 states have internal predecessors, (3830), 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) [2022-12-13 19:37:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4221 transitions. [2022-12-13 19:37:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1918 [2022-12-13 19:37:33,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:37:33,941 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 383, 382, 382, 1, 1, 1, 1] [2022-12-13 19:37:33,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-13 19:37:34,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:37:34,141 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:37:34,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:37:34,142 INFO L85 PathProgramCache]: Analyzing trace with hash 443797287, now seen corresponding path program 8 times [2022-12-13 19:37:34,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:37:34,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492738849] [2022-12-13 19:37:34,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:37:34,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:37:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 365383 backedges. 0 proven. 365383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:39:36,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:36,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492738849] [2022-12-13 19:39:36,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492738849] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:39:36,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041932417] [2022-12-13 19:39:36,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:39:36,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:39:36,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:39:36,601 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:39:36,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 19:39:36,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:39:36,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:39:36,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 384 conjunts are in the unsatisfiable core [2022-12-13 19:39:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:39:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 365383 backedges. 0 proven. 365383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:39:38,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:41:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 365383 backedges. 0 proven. 365383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:41:30,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041932417] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:41:30,739 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:41:30,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2022-12-13 19:41:30,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154088082] [2022-12-13 19:41:30,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:41:30,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2022-12-13 19:41:30,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:30,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2022-12-13 19:41:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 19:41:30,800 INFO L87 Difference]: Start difference. First operand 3838 states and 4221 transitions. Second operand has 768 states, 767 states have (on average 4.996088657105607) internal successors, (3832), 768 states have internal predecessors, (3832), 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) [2022-12-13 19:42:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:42:29,823 INFO L93 Difference]: Finished difference Result 3840 states and 4223 transitions. [2022-12-13 19:42:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2022-12-13 19:42:29,825 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 4.996088657105607) internal successors, (3832), 768 states have internal predecessors, (3832), 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) Word has length 1917 [2022-12-13 19:42:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:42:29,833 INFO L225 Difference]: With dead ends: 3840 [2022-12-13 19:42:29,833 INFO L226 Difference]: Without dead ends: 3839 [2022-12-13 19:42:29,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4216 GetRequests, 3450 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 146.6s TimeCoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-12-13 19:42:29,857 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 2310 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:42:29,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2318 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:42:29,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-12-13 19:42:29,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3839. [2022-12-13 19:42:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 3837 states have (on average 1.000521240552515) internal successors, (3839), 3838 states have internal predecessors, (3839), 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) [2022-12-13 19:42:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 3839 transitions. [2022-12-13 19:42:29,938 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 3839 transitions. Word has length 1917 [2022-12-13 19:42:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:42:29,939 INFO L495 AbstractCegarLoop]: Abstraction has 3839 states and 3839 transitions. [2022-12-13 19:42:29,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 4.996088657105607) internal successors, (3832), 768 states have internal predecessors, (3832), 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) [2022-12-13 19:42:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 3839 transitions. [2022-12-13 19:42:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3837 [2022-12-13 19:42:30,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:42:30,016 INFO L195 NwaCegarLoop]: trace histogram [767, 767, 766, 766, 766, 1, 1, 1, 1] [2022-12-13 19:42:30,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 19:42:30,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b85081-a6c9-482c-8a11-3767e0f191bd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 19:42:30,217 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 19:42:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:42:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1240635731, now seen corresponding path program 9 times [2022-12-13 19:42:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:42:30,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353974543] [2022-12-13 19:42:30,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:42:30,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:42:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat