./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW --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 64bit --witnessprinter.graph.data.programhash 56f9df8bb08a27595eb0d575dfbe22b2fff622e1212208e4d77826c47dd4a436 --- 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-4e7fbc6 [2022-11-23 14:39:51,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:39:51,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:39:51,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:39:51,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:39:51,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:39:51,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:39:51,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:39:51,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:39:51,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:39:51,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:39:51,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:39:51,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:39:51,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:39:51,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:39:51,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:39:51,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:39:51,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:39:51,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:39:51,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:39:51,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:39:51,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:39:51,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:39:51,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:39:51,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:39:51,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:39:51,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:39:51,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:39:51,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:39:51,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:39:51,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:39:51,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:39:51,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:39:51,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:39:51,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:39:51,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:39:51,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:39:51,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:39:51,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:39:51,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:39:51,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:39:51,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:39:51,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:39:51,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:39:51,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:39:51,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:39:51,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:39:51,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:39:51,641 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:39:51,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:39:51,641 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:39:51,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:39:51,643 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:39:51,643 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:39:51,644 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:39:51,644 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:39:51,644 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:39:51,645 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:39:51,645 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:39:51,645 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:39:51,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:39:51,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:39:51,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:39:51,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:39:51,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:39:51,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:39:51,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:39:51,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:39:51,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:39:51,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:39:51,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:39:51,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:39:51,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:39:51,651 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:39:51,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:39:51,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:39:51,652 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:39:51,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:39:51,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:39:51,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:39:51,654 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56f9df8bb08a27595eb0d575dfbe22b2fff622e1212208e4d77826c47dd4a436 [2022-11-23 14:39:51,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:39:52,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:39:52,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:39:52,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:39:52,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:39:52,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2022-11-23 14:39:55,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:39:55,468 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:39:55,468 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2022-11-23 14:39:55,478 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/b0ff99a0f/38f4dc0dcda14d50ace4938331628db1/FLAGa1e365823 [2022-11-23 14:39:55,502 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/b0ff99a0f/38f4dc0dcda14d50ace4938331628db1 [2022-11-23 14:39:55,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:39:55,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:39:55,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:39:55,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:39:55,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:39:55,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7db122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55, skipping insertion in model container [2022-11-23 14:39:55,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:39:55,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:39:55,745 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1161,1174] [2022-11-23 14:39:55,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:39:55,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:39:55,824 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1161,1174] [2022-11-23 14:39:55,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:39:55,868 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:39:55,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55 WrapperNode [2022-11-23 14:39:55,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:39:55,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:39:55,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:39:55,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:39:55,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,928 INFO L138 Inliner]: procedures = 12, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-11-23 14:39:55,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:39:55,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:39:55,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:39:55,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:39:55,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:55,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:39:56,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:39:56,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:39:56,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:39:56,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (1/1) ... [2022-11-23 14:39:56,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:39:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:39:56,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:39:56,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:39:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:39:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:39:56,249 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:39:56,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:39:56,713 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:39:56,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:39:56,733 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:39:56,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:56 BoogieIcfgContainer [2022-11-23 14:39:56,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:39:56,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:39:56,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:39:56,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:39:56,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:39:55" (1/3) ... [2022-11-23 14:39:56,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2774828c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:56, skipping insertion in model container [2022-11-23 14:39:56,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:55" (2/3) ... [2022-11-23 14:39:56,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2774828c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:56, skipping insertion in model container [2022-11-23 14:39:56,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:56" (3/3) ... [2022-11-23 14:39:56,747 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2022-11-23 14:39:56,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:39:56,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:39:56,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:39:56,840 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;@146215c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:39:56,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:39:56,846 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) [2022-11-23 14:39:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 14:39:56,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:56,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 14:39:56,855 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:39:56,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:56,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-23 14:39:56,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:56,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067261216] [2022-11-23 14:39:56,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:39:57,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:39:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:39:57,184 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:39:57,187 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:39:57,188 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:39:57,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:39:57,195 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:39:57,200 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:39:57,219 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 14:39:57,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:39:57 BoogieIcfgContainer [2022-11-23 14:39:57,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:39:57,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:39:57,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:39:57,228 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:39:57,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:56" (3/4) ... [2022-11-23 14:39:57,233 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:39:57,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:39:57,235 INFO L158 Benchmark]: Toolchain (without parser) took 1726.56ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 77.5MB in the end (delta: 67.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,235 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:39:57,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.55ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 132.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,237 INFO L158 Benchmark]: Boogie Preprocessor took 70.43ms. Allocated memory is still 180.4MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,238 INFO L158 Benchmark]: RCFGBuilder took 736.72ms. Allocated memory is still 180.4MB. Free memory was 127.8MB in the beginning and 98.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,239 INFO L158 Benchmark]: TraceAbstraction took 487.77ms. Allocated memory is still 180.4MB. Free memory was 97.8MB in the beginning and 77.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:39:57,239 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 180.4MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:39:57,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.55ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 132.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.43ms. Allocated memory is still 180.4MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.72ms. Allocated memory is still 180.4MB. Free memory was 127.8MB in the beginning and 98.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 487.77ms. Allocated memory is still 180.4MB. Free memory was 97.8MB in the beginning and 77.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 180.4MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 88, overapproximation of bitwiseAnd at line 75. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 128); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (128 - 1); [L35] const SORT_9 var_10 = 0; [L36] const SORT_1 var_18 = 1; [L37] const SORT_5 var_22 = 0; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L41] SORT_1 input_4; [L42] SORT_5 input_6; [L43] SORT_5 input_7; [L44] SORT_1 input_8; [L46] SORT_9 state_11 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L47] SORT_9 state_13 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L48] SORT_5 state_23 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L49] SORT_5 state_25 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L50] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L53] SORT_5 state_33 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L55] SORT_9 init_12_arg_1 = var_10; [L56] state_11 = init_12_arg_1 [L57] SORT_9 init_14_arg_1 = var_10; [L58] state_13 = init_14_arg_1 [L59] SORT_5 init_24_arg_1 = var_22; [L60] state_23 = init_24_arg_1 [L61] SORT_5 init_26_arg_1 = var_22; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_18; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_18; [L66] state_29 = init_30_arg_1 [L67] SORT_5 init_32_arg_1 = var_22; [L68] state_31 = init_32_arg_1 [L69] SORT_5 init_34_arg_1 = var_22; [L70] state_33 = init_34_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=1, init_30_arg_1=1, init_32_arg_1=0, init_34_arg_1=0, mask_SORT_1=1, mask_SORT_5=18446744073709551615, mask_SORT_9=340282366920938463463374607431768211455, msb_SORT_1=1, msb_SORT_5=9223372036854775808, msb_SORT_9=170141183460469231731687303715884105728, state_11=0, state_13=0, state_23=0, state_25=0, state_27=1, state_29=1, state_31=0, state_33=0, var_10=0, var_18=1, var_22=0] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_3 = __VERIFIER_nondet_uchar() [L75] input_3 = input_3 & mask_SORT_1 [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_4 = input_4 & mask_SORT_1 [L78] input_6 = __VERIFIER_nondet_ulong() [L79] input_7 = __VERIFIER_nondet_ulong() [L80] input_8 = __VERIFIER_nondet_uchar() [L81] input_8 = input_8 & mask_SORT_1 [L84] SORT_9 var_15_arg_0 = state_11; [L85] SORT_9 var_15_arg_1 = state_13; [L86] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L87] SORT_1 var_19_arg_0 = var_15; [L88] SORT_1 var_19 = ~var_19_arg_0; [L89] SORT_1 var_20_arg_0 = var_18; [L90] SORT_1 var_20_arg_1 = var_19; [L91] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L92] var_20 = var_20 & mask_SORT_1 [L93] SORT_1 bad_21_arg_0 = var_20; [L94] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L21] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 14:39:57,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW --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 64bit --witnessprinter.graph.data.programhash 56f9df8bb08a27595eb0d575dfbe22b2fff622e1212208e4d77826c47dd4a436 --- 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-4e7fbc6 [2022-11-23 14:40:00,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:40:00,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:40:00,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:40:00,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:40:00,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:40:00,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:40:00,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:40:00,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:40:00,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:40:00,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:40:00,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:40:00,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:40:00,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:40:00,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:40:00,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:40:00,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:40:00,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:40:00,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:40:00,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:40:00,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:40:00,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:40:00,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:40:00,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:40:00,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:40:00,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:40:00,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:40:00,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:40:00,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:40:00,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:40:00,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:40:00,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:40:00,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:40:00,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:40:00,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:40:00,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:40:00,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:40:00,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:40:00,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:40:00,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:40:00,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:40:00,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:40:00,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:40:00,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:40:00,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:40:00,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:40:00,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:40:00,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:40:00,211 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:40:00,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:40:00,211 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:40:00,212 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:40:00,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:40:00,213 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:40:00,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:40:00,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:40:00,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:40:00,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:40:00,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:40:00,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:40:00,216 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:40:00,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:40:00,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:40:00,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:40:00,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:40:00,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:40:00,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:40:00,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:40:00,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:00,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:40:00,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:40:00,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:40:00,219 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:40:00,219 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:40:00,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:40:00,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:40:00,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:40:00,220 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56f9df8bb08a27595eb0d575dfbe22b2fff622e1212208e4d77826c47dd4a436 [2022-11-23 14:40:00,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:40:00,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:40:00,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:40:00,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:40:00,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:40:00,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2022-11-23 14:40:03,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:40:04,202 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:40:04,205 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2022-11-23 14:40:04,225 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/3e29b6c25/0c2a3e27123e45748f9e035c3536d6fc/FLAG1a383ac91 [2022-11-23 14:40:04,238 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/data/3e29b6c25/0c2a3e27123e45748f9e035c3536d6fc [2022-11-23 14:40:04,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:40:04,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:40:04,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:04,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:40:04,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:40:04,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317144a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04, skipping insertion in model container [2022-11-23 14:40:04,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:40:04,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:40:04,413 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1161,1174] [2022-11-23 14:40:04,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:04,480 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:40:04,492 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_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1161,1174] [2022-11-23 14:40:04,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:04,536 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:40:04,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04 WrapperNode [2022-11-23 14:40:04,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:04,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:04,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:40:04,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:40:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,592 INFO L138 Inliner]: procedures = 12, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-11-23 14:40:04,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:04,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:40:04,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:40:04,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:40:04,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:40:04,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:40:04,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:40:04,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:40:04,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (1/1) ... [2022-11-23 14:40:04,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:40:04,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:40:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:40:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:40:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:40:04,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:40:04,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:40:07,140 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:40:07,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:40:07,149 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:40:07,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:07 BoogieIcfgContainer [2022-11-23 14:40:07,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:40:07,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:40:07,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:40:07,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:40:07,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:40:04" (1/3) ... [2022-11-23 14:40:07,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4d89f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:07, skipping insertion in model container [2022-11-23 14:40:07,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:04" (2/3) ... [2022-11-23 14:40:07,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4d89f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:07, skipping insertion in model container [2022-11-23 14:40:07,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:07" (3/3) ... [2022-11-23 14:40:07,161 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2022-11-23 14:40:07,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:40:07,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:40:07,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:40:07,263 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;@5a0c0f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:40:07,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:40:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-23 14:40:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:40:07,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:07,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:40:07,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:40:07,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 14:40:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:40:07,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866647540] [2022-11-23 14:40:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:07,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:40:07,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:40:07,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:40:07,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:40:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:40:07,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 14:40:07,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:40:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:40:07,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:40:07,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:40:07,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866647540] [2022-11-23 14:40:07,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866647540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:40:07,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:40:07,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:40:07,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509481324] [2022-11-23 14:40:07,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:40:07,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:40:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:40:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:40:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:40:07,887 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:40:08,618 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 14:40:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:40:08,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 14:40:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:40:08,630 INFO L225 Difference]: With dead ends: 20 [2022-11-23 14:40:08,631 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 14:40:08,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:40:08,638 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:40:08,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:40:08,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 14:40:08,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 14:40:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-23 14:40:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 14:40:08,674 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 14:40:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:40:08,675 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 14:40:08,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 14:40:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:40:08,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:08,676 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 14:40:08,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:40:08,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:40:08,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:40:08,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 14:40:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:40:08,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534635921] [2022-11-23 14:40:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:08,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:40:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:40:08,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:40:08,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 14:40:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:40:09,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-23 14:40:09,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:40:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:40:10,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:40:44,643 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse6 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse2 (or .cse6 .cse3)) (.cse5 (not .cse6)) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8))) (and .cse2 (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_4| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_4|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse4)) .cse5))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8)))) (and .cse2 (or .cse5 (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_3| (_ BitVec 128))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_46_arg_2~0#1_3|))) .cse4))))))))) is different from true [2022-11-23 14:41:02,013 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse2 (or .cse3 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse5 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8))) (and .cse2 (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_4| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_4|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse4)) .cse5))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8)))) (and .cse2 (or .cse5 (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_3| (_ BitVec 128))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_46_arg_2~0#1_3|))) .cse4))))))))) is different from true [2022-11-23 14:41:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-23 14:41:02,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:41:02,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534635921] [2022-11-23 14:41:02,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534635921] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:41:02,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1695996968] [2022-11-23 14:41:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:02,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:41:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:41:02,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:41:02,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-23 14:41:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:02,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-23 14:41:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:41:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:41:03,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:41:37,518 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8)))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse1)) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_6| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_6|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2) .cse3)) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse1)) (_ bv0 8)))) (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_5| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_5| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2)))))) is different from true [2022-11-23 14:41:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-23 14:41:52,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1695996968] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:41:52,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113598722] [2022-11-23 14:41:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:52,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:41:52,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:52,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:41:52,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:41:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:53,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-23 14:41:53,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:41:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:41:54,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:42:31,051 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8))))) (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8)))) (.cse2 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0))) (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse1 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse2) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse1 .cse2 (or .cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))))))) is different from true [2022-11-23 14:42:44,227 WARN L859 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8))))) (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8)))) (.cse2 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0))) (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse1 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse2) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) .cse1 .cse2 (or .cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))))))) is different from true [2022-11-23 14:42:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-23 14:42:56,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113598722] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:42:56,557 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 14:42:56,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 7, 6] total 16 [2022-11-23 14:42:56,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135748058] [2022-11-23 14:42:56,558 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 14:42:56,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 14:42:56,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:42:56,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 14:42:56,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=86, Unknown=5, NotChecked=110, Total=240 [2022-11-23 14:42:56,561 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:42:58,910 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8)))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse4 (or .cse3 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse5 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse6 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2))) (and (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse1)) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_6| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_6|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2) .cse3)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse1)) (_ bv0 8)))) (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_5| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_5| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8))) (and .cse4 (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_4| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_4|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse5))) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse6) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))))) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~state_11~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8)))) (and .cse4 (or .cse5 (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_3| (_ BitVec 128))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_46_arg_2~0#1_3|))) .cse2))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 .cse6 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))) (= |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~state_13~0#1|) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)))))) is different from true [2022-11-23 14:43:01,247 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse9 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse4 (or .cse9 .cse3)) (.cse5 (not .cse9)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8)))) (.cse7 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (.cse6 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) (and (exists ((|v_ULTIMATE.start_main_#t~nondet13#1_4| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_4|))) |c_ULTIMATE.start_main_~input_8~0#1|)) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse0)) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_6| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_6|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2) .cse3)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8))) (and .cse4 (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_4| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_4|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse5))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8)))) (and .cse4 (or .cse5 (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_3| (_ BitVec 128))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_46_arg_2~0#1_3|))) .cse2))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse0)) (_ bv0 8)))) (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_5| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_5| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2))) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) .cse6 (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (or .cse7 (let ((.cse8 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2))) (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse8) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 .cse8 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))))) (or .cse7 .cse6) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)))))) is different from true [2022-11-23 14:43:03,599 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv255 32)))))) (_ bv0 8)))) (.cse7 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_3|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse4 (or .cse7 .cse3)) (.cse5 (not .cse7)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse6 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2))) (and (exists ((|v_ULTIMATE.start_main_#t~nondet13#1_4| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_4|))) |c_ULTIMATE.start_main_~input_8~0#1|)) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse0)) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_6| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_6|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2) .cse3)) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8))) (and .cse4 (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_4| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_4|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse5))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_3| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_3|)))))) (_ bv0 8)))) (and .cse4 (or .cse5 (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_3| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_3| (_ BitVec 128))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_3|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_46_arg_2~0#1_3|))) .cse2))))) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_5| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_5|)))) .cse0)) (_ bv0 8)))) (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_38_arg_1~0#1_5| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_5| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_5| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) |v_ULTIMATE.start_main_~var_38_arg_1~0#1_5|)))) .cse2))) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_7| (_ BitVec 128))) (= (bvand |v_ULTIMATE.start_main_~var_45~0#1_7| |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse6) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))))) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_33~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_7|)))))) (_ bv0 8))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2) .cse3 .cse6 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)))))) is different from true [2022-11-23 14:43:05,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 14:43:07,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2022-11-23 14:43:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:08,077 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-23 14:43:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:43:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:43:08,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:08,078 INFO L225 Difference]: With dead ends: 16 [2022-11-23 14:43:08,078 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 14:43:08,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=8, NotChecked=216, Total=380 [2022-11-23 14:43:08,081 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:08,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 27 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 53 Unchecked, 4.4s Time] [2022-11-23 14:43:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 14:43:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-23 14:43:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-23 14:43:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 14:43:08,089 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-23 14:43:08,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:08,090 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 14:43:08,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:43:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 14:43:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:43:08,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:08,092 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-23 14:43:08,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 14:43:08,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 14:43:08,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:43:08,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:43:08,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:08,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-23 14:43:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:43:08,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139702175] [2022-11-23 14:43:08,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:43:08,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:43:08,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:43:08,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:43:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 14:43:12,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:43:12,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:43:12,145 WARN L261 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 128 conjunts are in the unsatisfiable core [2022-11-23 14:43:12,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:44:06,180 WARN L233 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 62 DAG size of output: 20 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:44:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:44:07,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:44:36,243 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8)))) (.cse6 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|))) (let ((.cse5 (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))))) (_ bv0 8))) (.cse0 (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse3 (not .cse6)) (.cse4 (or .cse6 .cse2))) (and (or (and (or (and (or (= (bvand |c_ULTIMATE.start_main_~state_13~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse0) .cse1) .cse2) .cse3) .cse4) (not .cse5)) (or .cse5 (and (or (and .cse2 (or (= .cse0 (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))))) .cse1)) .cse3) .cse4)))))) is different from false [2022-11-23 14:44:38,307 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8)))) (.cse6 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|))) (let ((.cse5 (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))))) (_ bv0 8))) (.cse0 (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse3 (not .cse6)) (.cse4 (or .cse6 .cse2))) (and (or (and (or (and (or (= (bvand |c_ULTIMATE.start_main_~state_13~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse0) .cse1) .cse2) .cse3) .cse4) (not .cse5)) (or .cse5 (and (or (and .cse2 (or (= .cse0 (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))))) .cse1)) .cse3) .cse4)))))) is different from true [2022-11-23 14:45:03,148 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse0 (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))))) (_ bv0 8))) (.cse1 (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse4 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse5 (or (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))) .cse3))) (and (or (not .cse0) (and (or (and (or (= (bvand |c_ULTIMATE.start_main_~state_13~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse1) .cse2) .cse3) .cse4) .cse5)) (or .cse0 (and (or (and .cse3 (or (= .cse1 (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))))) .cse2)) .cse4) .cse5)))))) is different from false [2022-11-23 14:45:05,214 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse0 (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))))) (_ bv0 8))) (.cse1 (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse4 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse5 (or (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))) .cse3))) (and (or (not .cse0) (and (or (and (or (= (bvand |c_ULTIMATE.start_main_~state_13~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse1) .cse2) .cse3) .cse4) .cse5)) (or .cse0 (and (or (and .cse3 (or (= .cse1 (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))))) .cse2)) .cse4) .cse5)))))) is different from true [2022-11-23 14:50:20,243 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse24 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse9 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|)))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_3~0#1|)))) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse7 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse10 (or (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))) .cse9))) (let ((.cse31 (and (or .cse7 .cse9) .cse10)) (.cse1 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_3~0#1|)) (.cse36 (and (or (and .cse9 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse46 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse46)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse46))))) .cse8)) .cse7) .cse10)) (.cse37 (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse45 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)))) (= (bvand (bvmul .cse45 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul .cse45 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse8) .cse9) .cse7) .cse10)) (.cse32 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|))) .cse33))))) (_ bv0 8)))) (.cse38 (and (or (and .cse9 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse8)) .cse7) .cse10)) (.cse35 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|)))))))) (_ bv0 8)))) (.cse15 (= |c_ULTIMATE.start_main_~input_4~0#1| (_ bv0 8))) (.cse30 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|))) (let ((.cse23 (or .cse30 (let ((.cse41 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 .cse34))) .cse24)) (_ bv0 8))) (.cse39 (and (or .cse7 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse44 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (= (bvand (bvmul .cse44 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse44 .cse44))))) .cse8) .cse9)) .cse10)) (.cse42 (and (or (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse43 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (bvmul .cse43 .cse43)))))) .cse9) .cse7) .cse10)) (.cse40 (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 .cse33))))) (_ bv0 8)))) (and (or .cse39 .cse40) (or (not .cse41) .cse42) (or .cse41 .cse39) (or .cse42 (not .cse40)))))) (.cse16 (not .cse15)) (.cse18 (or .cse38 .cse35)) (.cse19 (or .cse38 .cse32)) (.cse21 (or .cse37 .cse32)) (.cse22 (or .cse37 .cse35)) (.cse12 (or .cse32 .cse36)) (.cse13 (or .cse35 .cse36)) (.cse14 (not .cse1)) (.cse5 (or .cse35 .cse31)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|)))))))) (_ bv0 8))))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|))) .cse33))))) (_ bv0 8))))) (.cse6 (or .cse31 .cse32)) (.cse0 (not .cse30)) (.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (and (or (and (or .cse0 (and (or (and (or .cse1 (let ((.cse3 (and (or .cse7 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse8) .cse9)) .cse10))) (and (or .cse2 .cse3) (or .cse4 .cse3) .cse5 .cse6))) (or (let ((.cse11 (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse8) .cse9) .cse7) .cse10))) (and (or .cse11 .cse2) (or .cse11 .cse4) .cse12 .cse13)) .cse14)) .cse15) (or .cse16 (and (or (let ((.cse17 (and (or (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse9) .cse7) .cse10))) (and (or .cse17 .cse2) .cse18 .cse19 (or .cse17 .cse4))) .cse14) (or .cse1 (let ((.cse20 (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse8) .cse9) .cse7) .cse10))) (and (or .cse20 .cse4) .cse21 .cse22 (or .cse20 .cse2)))))))) .cse23) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_10|))))))))) (or (and .cse23 (or (and (or .cse16 (and (or (let ((.cse26 (and (or .cse7 (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse9)) .cse10))) (and .cse18 (or .cse26 .cse4) .cse19 (or .cse26 .cse2))) .cse14) (or .cse1 (let ((.cse27 (and (or .cse7 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse8) .cse9)) .cse10))) (and (or .cse27 .cse4) (or .cse27 .cse2) .cse21 .cse22))))) (or (and (or (let ((.cse28 (and (or .cse7 (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse9)) .cse10))) (and (or .cse28 .cse4) .cse12 .cse13 (or .cse28 .cse2))) .cse14) (or (let ((.cse29 (and (or .cse7 (and .cse8 .cse9)) .cse10))) (and .cse5 (or .cse29 .cse2) (or .cse29 .cse4) .cse6)) .cse1)) .cse15)) .cse0)) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_10| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_10|)))))))))))))))) is different from true [2022-11-23 14:54:32,596 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse13 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv254 32)))))) (_ bv0 8))))) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|)))) (.cse12 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_12| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_12|) (_ bv255 32)))))) (_ bv0 8)))) (.cse11 (forall ((v_subst_2 (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) v_subst_2))) (_ bv0 8))))) (.cse14 (or (forall ((v_subst_1 (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) v_subst_1))) (_ bv0 8))) .cse13))) (let ((.cse28 (and (or (and .cse13 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse12)) .cse11) .cse14)) (.cse30 (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse40 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)))) (= (bvand (bvmul .cse40 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul .cse40 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse12) .cse13) .cse11) .cse14)) (.cse27 (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse39 ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))))) (or (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse39)))))))) (_ bv0 8)) (not (= .cse39 (_ bv0 8))))))) (.cse8 (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))) (_ bv0 8))))) (.cse32 (and (or .cse11 (and .cse13 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse38 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse38)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) .cse38))))) .cse12))) .cse14)) (.cse29 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|)))))))) (_ bv0 8)))) (.cse10 (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))) (_ bv0 8)))) (.cse31 (and (or .cse11 .cse13) .cse14))) (let ((.cse0 (or (let ((.cse35 (and (or .cse11 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (let ((.cse37 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (= (bvand (bvmul .cse37 ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse37 .cse37))))) .cse12) .cse13)) .cse14)) (.cse34 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 .cse26))) .cse22)) (_ bv0 8))) (.cse33 (and (or .cse11 (and (or .cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse36 ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|)))) (bvmul .cse36 .cse36)))))) .cse13)) .cse14))) (and (or .cse33 (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))))))))))) (_ bv0 8))))) (or .cse34 .cse35) (or (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))))))))))) (_ bv0 8))) .cse35) (or (not .cse34) .cse33))) (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse21 (forall ((|ULTIMATE.start_main_#t~nondet13#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet13#1|))) (_ bv0 8))))) (.cse15 (or .cse10 .cse31)) (.cse16 (or .cse8 .cse32 .cse29)) (.cse17 (or .cse32 .cse27)) (.cse19 (or .cse29 .cse10 .cse31)) (.cse20 (forall ((|ULTIMATE.start_main_#t~nondet10#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet10#1|))) (_ bv0 8)))) (.cse1 (forall ((|ULTIMATE.start_main_#t~nondet10#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet10#1|))) (_ bv0 8))))) (.cse2 (or .cse10 .cse30)) (.cse5 (or .cse29 .cse10 .cse30)) (.cse6 (or .cse8 .cse29 .cse28)) (.cse3 (forall ((|ULTIMATE.start_main_#t~nondet9#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |ULTIMATE.start_main_#t~nondet9#1|))))))))))) (_ bv0 8))))) (.cse7 (or .cse27 .cse28)) (.cse9 (forall ((|v_ULTIMATE.start_main_~var_56_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_2~0#1_10|)))))))) (_ bv0 8))))) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (and (or (and .cse0 (or (and (or .cse1 (let ((.cse4 (and (or .cse11 (and (or .cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse13)) .cse14))) (and .cse2 (or .cse3 .cse4) .cse5 .cse6 .cse7 (or .cse8 .cse9 .cse4) (or .cse10 (and (or .cse11 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse12) .cse13)) .cse14) .cse9)))) (or (let ((.cse18 (and (or .cse11 (and (or .cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_45~0#1_10| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |v_ULTIMATE.start_main_~var_45~0#1_10|) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse13)) .cse14))) (and .cse15 .cse16 .cse17 (or .cse3 .cse18) .cse19 (or .cse8 .cse18 .cse9) (or .cse10 .cse9 (and (or .cse11 (and .cse12 .cse13)) .cse14)))) .cse20)) .cse21)) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_10| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_10|)))))))))) (or (and .cse0 (or .cse21 (and (or (let ((.cse24 (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse12) .cse13) .cse11) .cse14))) (and .cse15 .cse16 (or .cse10 (and (or .cse11 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_62~0#1_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |v_ULTIMATE.start_main_~var_62~0#1_10| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse12) .cse13)) .cse14) .cse9) (or .cse24 .cse8 .cse9) .cse17 .cse19 (or .cse3 .cse24))) .cse20) (or .cse1 (let ((.cse25 (and .cse14 (or (and (or .cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse13) .cse11)))) (and .cse2 .cse5 (or .cse8 .cse9 .cse25) .cse6 (or .cse3 .cse25) .cse7 (or (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~var_49~0#1_10| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_41_arg_0~0#1_11| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand (bvmul ((_ zero_extend 64) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_11|) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_33~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)) (bvand (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~var_49~0#1_10|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse12) .cse13) .cse11) .cse14) .cse10 .cse9))))))) (forall ((|v_ULTIMATE.start_main_~var_44_arg_1~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_10|))))))))))))))) is different from true [2022-11-23 14:54:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2022-11-23 14:54:34,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:54:34,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139702175] [2022-11-23 14:54:34,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139702175] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:54:34,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1674278637] [2022-11-23 14:54:34,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:54:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:54:34,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:54:34,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:54:34,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b1c700a-3e48-45f5-81c1-9897e5c0ef2a/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process