./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc900b1bfcaecf91bc89637deaef4e1ddf2476faf43fa7e6f1e197c315ae3982 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:56:56,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:56:56,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:56:56,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:56:56,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:56:56,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:56:56,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:56:56,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:56:56,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:56:56,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:56:56,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:56:56,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:56:56,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:56:56,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:56:56,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:56:56,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:56:56,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:56:56,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:56:56,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:56:56,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:56:56,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:56:56,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:56:56,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:56:56,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:56:56,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:56:56,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:56:56,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:56:56,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:56:56,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:56:56,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:56:56,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:56:56,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:56:56,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:56:56,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:56:56,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:56:56,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:56:56,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:56:56,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:56:56,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:56:56,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:56:56,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:56:56,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:56:56,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:56:56,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:56:56,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:56:56,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:56:56,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:56:56,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:56:56,676 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:56:56,676 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:56:56,677 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:56:56,677 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:56:56,677 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:56:56,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:56:56,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:56:56,678 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:56:56,679 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:56:56,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:56:56,679 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:56:56,680 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:56:56,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:56:56,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:56:56,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:56:56,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:56:56,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:56:56,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:56:56,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:56:56,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:56:56,683 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:56:56,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:56:56,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:56:56,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:56:56,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:56:56,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:56:56,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:56:56,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:56:56,686 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:56:56,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:56:56,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:56:56,687 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:56:56,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:56:56,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:56:56,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:56:56,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc900b1bfcaecf91bc89637deaef4e1ddf2476faf43fa7e6f1e197c315ae3982 [2022-11-20 20:56:56,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:56:57,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:56:57,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:56:57,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:56:57,013 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:56:57,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/loop-acceleration/phases_1-1.c [2022-11-20 20:57:00,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:57:00,521 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:57:00,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/sv-benchmarks/c/loop-acceleration/phases_1-1.c [2022-11-20 20:57:00,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/data/9c388eec8/b8451b70f2d94b3f8b35bf27c8a4bfa1/FLAG2db565135 [2022-11-20 20:57:00,550 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/data/9c388eec8/b8451b70f2d94b3f8b35bf27c8a4bfa1 [2022-11-20 20:57:00,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:57:00,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:57:00,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:57:00,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:57:00,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:57:00,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b4cab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00, skipping insertion in model container [2022-11-20 20:57:00,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:57:00,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:57:00,829 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_0c2de0f5-4f64-4f39-af7e-a33361d135ce/sv-benchmarks/c/loop-acceleration/phases_1-1.c[322,335] [2022-11-20 20:57:00,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:57:00,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:57:00,875 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_0c2de0f5-4f64-4f39-af7e-a33361d135ce/sv-benchmarks/c/loop-acceleration/phases_1-1.c[322,335] [2022-11-20 20:57:00,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:57:00,895 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:57:00,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00 WrapperNode [2022-11-20 20:57:00,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:57:00,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:57:00,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:57:00,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:57:00,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,940 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-11-20 20:57:00,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:57:00,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:57:00,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:57:00,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:57:00,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:57:00,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:57:00,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:57:00,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:57:00,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:57:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:01,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:57:01,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:57:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:57:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:57:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:57:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:57:01,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:57:01,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:57:01,313 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:57:01,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:57:01,371 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 20:57:01,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:01 BoogieIcfgContainer [2022-11-20 20:57:01,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:57:01,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:57:01,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:57:01,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:57:01,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:57:00" (1/3) ... [2022-11-20 20:57:01,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6707fafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:01, skipping insertion in model container [2022-11-20 20:57:01,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00" (2/3) ... [2022-11-20 20:57:01,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6707fafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:01, skipping insertion in model container [2022-11-20 20:57:01,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:01" (3/3) ... [2022-11-20 20:57:01,386 INFO L112 eAbstractionObserver]: Analyzing ICFG phases_1-1.c [2022-11-20 20:57:01,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:57:01,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:57:01,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:57:01,503 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@277e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:57:01,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:57:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2022-11-20 20:57:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:57:01,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:01,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:57:01,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:01,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2037129, now seen corresponding path program 1 times [2022-11-20 20:57:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:01,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103899876] [2022-11-20 20:57:01,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:01,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:01,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103899876] [2022-11-20 20:57:01,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103899876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:01,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:01,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:57:01,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200601101] [2022-11-20 20:57:01,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:01,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:57:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:01,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:57:01,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:57:01,922 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:01,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:01,956 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-20 20:57:01,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:57:01,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-20 20:57:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:01,969 INFO L225 Difference]: With dead ends: 13 [2022-11-20 20:57:01,969 INFO L226 Difference]: Without dead ends: 6 [2022-11-20 20:57:01,972 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 [2022-11-20 20:57:01,977 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:01,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:57:02,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-11-20 20:57:02,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-20 20:57:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-11-20 20:57:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-20 20:57:02,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2022-11-20 20:57:02,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:02,018 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-20 20:57:02,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-20 20:57:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 20:57:02,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:02,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 20:57:02,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:57:02,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:02,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:02,023 INFO L85 PathProgramCache]: Analyzing trace with hash 63108679, now seen corresponding path program 1 times [2022-11-20 20:57:02,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:02,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689671590] [2022-11-20 20:57:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:02,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:02,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:02,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689671590] [2022-11-20 20:57:02,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689671590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:02,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369674321] [2022-11-20 20:57:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:02,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:02,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:57:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:02,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:57:02,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:02,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:57:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:02,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369674321] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:57:02,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [982103604] [2022-11-20 20:57:02,752 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-20 20:57:02,752 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:57:02,758 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:57:02,765 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:57:02,767 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:57:03,528 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:57:03,635 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '69#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (not (< (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 20:57:03,636 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:57:03,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:57:03,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 20:57:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568130696] [2022-11-20 20:57:03,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:57:03,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:57:03,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:03,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:57:03,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:57:03,640 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-11-20 20:57:03,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:03,726 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-11-20 20:57:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 20:57:03,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 5 [2022-11-20 20:57:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:03,727 INFO L225 Difference]: With dead ends: 13 [2022-11-20 20:57:03,727 INFO L226 Difference]: Without dead ends: 10 [2022-11-20 20:57:03,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:57:03,729 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:03,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:57:03,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-20 20:57:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-20 20:57:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2022-11-20 20:57:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-20 20:57:03,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2022-11-20 20:57:03,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:03,734 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-20 20:57:03,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-11-20 20:57:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-20 20:57:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:57:03,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:03,736 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1] [2022-11-20 20:57:03,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:03,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:03,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1818646841, now seen corresponding path program 2 times [2022-11-20 20:57:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:03,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384969175] [2022-11-20 20:57:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:04,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:04,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384969175] [2022-11-20 20:57:04,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384969175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849374933] [2022-11-20 20:57:04,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:57:04,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:04,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:04,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:04,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:57:04,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 20:57:04,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:57:04,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 20:57:04,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:04,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:57:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:07,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849374933] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:57:07,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [902422654] [2022-11-20 20:57:07,008 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-20 20:57:07,008 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:57:07,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:57:07,009 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:57:07,009 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:57:07,248 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:57:07,613 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '173#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (not (< (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 20:57:07,613 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:57:07,614 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:57:07,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2022-11-20 20:57:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311596153] [2022-11-20 20:57:07,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:57:07,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 20:57:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:07,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 20:57:07,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2022-11-20 20:57:07,617 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:26,663 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 67 DAG size of output: 53 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:57:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:26,669 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-11-20 20:57:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 20:57:26,670 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 9 [2022-11-20 20:57:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:26,671 INFO L225 Difference]: With dead ends: 21 [2022-11-20 20:57:26,671 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 20:57:26,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=199, Invalid=450, Unknown=1, NotChecked=0, Total=650 [2022-11-20 20:57:26,673 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 29 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:26,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 13 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:57:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 20:57:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 20:57:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-20 20:57:26,686 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2022-11-20 20:57:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:26,686 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-11-20 20:57:26,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-20 20:57:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 20:57:26,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:26,688 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1] [2022-11-20 20:57:26,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:26,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:26,894 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:26,894 INFO L85 PathProgramCache]: Analyzing trace with hash 904893449, now seen corresponding path program 3 times [2022-11-20 20:57:26,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:26,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837136512] [2022-11-20 20:57:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:28,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:28,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837136512] [2022-11-20 20:57:28,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837136512] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:28,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835399769] [2022-11-20 20:57:28,067 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 20:57:28,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:28,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:28,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:28,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:57:28,187 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 20:57:28,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:57:28,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 20:57:28,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:28,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:57:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:57:36,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835399769] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:57:36,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1177204814] [2022-11-20 20:57:36,464 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-20 20:57:36,464 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:57:36,465 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:57:36,465 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:57:36,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:57:36,700 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:57:41,298 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '373#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (not (< (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 20:57:41,298 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:57:41,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:57:41,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 28 [2022-11-20 20:57:41,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996962464] [2022-11-20 20:57:41,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:57:41,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-20 20:57:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-20 20:57:41,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=709, Unknown=1, NotChecked=0, Total=992 [2022-11-20 20:57:41,302 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:57:43,489 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435435)) 4294967296) 4294967296) 4294967275) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) 268435436) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) 268435434) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967273 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435433)) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 268435438 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435437)) 4294967296) 4294967296) 4294967277) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967271 (* (div (+ (- 268435431) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435432 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:45,507 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435435)) 4294967296) 4294967296) 4294967275) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) 268435436) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) 268435434) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967273 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435433)) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 268435438 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435437)) 4294967296) 4294967296) 4294967277) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:47,524 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435435)) 4294967296) 4294967296) 4294967275) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) 268435436) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 268435438 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435437)) 4294967296) 4294967296) 4294967277) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:49,539 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 268435438 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435437)) 4294967296) 4294967296) 4294967277) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:51,551 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:53,561 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:55,574 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:57:57,604 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455))) (and .cse0 (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not .cse0)))) is different from false [2022-11-20 20:58:18,831 WARN L233 SmtUtils]: Spent 11.40s on a formula simplification. DAG size of input: 60 DAG size of output: 13 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:58:30,893 WARN L837 $PredicateComparison]: unable to prove that (and (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435435)) 4294967296) 4294967296) 4294967275) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) 268435436) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) 268435452) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967291 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435451)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) 268435434) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 4294967273 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435433)) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435447)) 4294967296) 4294967296) 4294967287) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435448 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 268435438 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435437)) 4294967296) 4294967296) 4294967277) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435441)) 4294967296)) 4294967281) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435442 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967283 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435443)) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) 268435444) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ 4294967271 (* (div (+ (- 268435431) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435432 (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296))) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ (- 268435445) |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) 4294967285) |c_ULTIMATE.start_main_~x~0#1|) (< (+ 268435446 (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435449)) 4294967296) 4294967296) 4294967289) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) 268435450) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296) 268435440) |c_ULTIMATE.start_main_~x~0#1|) (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435439)) 4294967296) 4294967296) 4294967279) |c_ULTIMATE.start_main_~x~0#1|)) (or (< (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| (- 268435453)) 4294967296) 4294967296) 4294967293) |c_ULTIMATE.start_main_~x~0#1|) (not (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 268435455)))) is different from false [2022-11-20 20:58:30,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:58:30,899 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2022-11-20 20:58:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 20:58:30,899 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 states have internal predecessors, (32), 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 16 [2022-11-20 20:58:30,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:58:30,900 INFO L225 Difference]: With dead ends: 35 [2022-11-20 20:58:30,900 INFO L226 Difference]: Without dead ends: 32 [2022-11-20 20:58:30,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 59.4s TimeCoverageRelationStatistics Valid=383, Invalid=901, Unknown=12, NotChecked=684, Total=1980 [2022-11-20 20:58:30,902 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:58:30,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 221 Invalid, 0 Unknown, 9 Unchecked, 1.0s Time] [2022-11-20 20:58:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-20 20:58:30,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-20 20:58:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:58:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-11-20 20:58:30,928 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 16 [2022-11-20 20:58:30,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:58:30,929 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2022-11-20 20:58:30,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:58:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-11-20 20:58:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:58:30,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:58:30,930 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1] [2022-11-20 20:58:30,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:58:31,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:58:31,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:58:31,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:58:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1798473337, now seen corresponding path program 4 times [2022-11-20 20:58:31,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:58:31,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124189913] [2022-11-20 20:58:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:58:31,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:58:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:58:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:58:36,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:58:36,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124189913] [2022-11-20 20:58:36,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124189913] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:58:36,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028393083] [2022-11-20 20:58:36,696 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 20:58:36,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:58:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:58:36,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:58:36,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c2de0f5-4f64-4f39-af7e-a33361d135ce/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:58:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:58:37,006 WARN L261 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-20 20:58:37,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:58:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:58:37,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:59:50,329 WARN L233 SmtUtils]: Spent 36.95s on a formula simplification. DAG size of input: 8741 DAG size of output: 8740 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:01:50,282 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:01:55,600 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:00,772 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:06,824 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:12,385 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:18,247 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:24,870 WARN L233 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 43 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:30,251 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:39,621 WARN L233 SmtUtils]: Spent 9.36s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:45,511 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:51,602 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:58,660 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:03:26,525 WARN L233 SmtUtils]: Spent 27.85s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:03:32,002 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:03:37,265 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:03:53,496 WARN L233 SmtUtils]: Spent 16.22s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:04,470 WARN L233 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:09,981 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:15,736 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:20,969 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:26,545 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:32,275 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:37,805 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:43,810 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:49,945 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:04:55,333 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:01,551 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:08,302 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:14,642 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:19,837 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:25,101 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:30,574 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:36,330 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:41,970 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:47,833 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:54,310 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:00,191 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:05,471 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:11,142 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:16,896 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:23,642 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 29 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:30,961 WARN L233 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:37,839 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:44,291 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:51,036 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 29 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:06:56,826 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:02,641 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 29 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:08,508 WARN L233 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:14,307 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:20,020 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:25,670 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:31,099 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:37,093 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:43,071 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:07:53,253 WARN L233 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:04,224 WARN L233 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:10,463 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:15,928 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:24,055 WARN L233 SmtUtils]: Spent 8.11s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:35,075 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:41,166 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:46,646 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:51,911 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:08:58,013 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:03,427 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:08,714 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:14,474 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:26,004 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:32,069 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:37,181 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:42,503 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 27 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:49,242 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:09:54,769 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:00,377 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:10,962 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:16,755 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:21,917 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:27,442 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 28 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:33,588 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:39,670 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 25 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:45,533 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:10:51,236 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:16,481 WARN L233 SmtUtils]: Spent 25.23s on a formula simplification. DAG size of input: 28 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:22,012 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:27,555 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 31 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:33,104 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:39,074 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:44,746 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:49,881 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:11:55,486 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:12:01,768 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:12:07,428 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 42 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:12:14,037 WARN L233 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)