./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS --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 c74d906337e06c8dd2c0528b072883bb6b5dcc493fa945e0ee9e0dd423781a39 --- 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-8393723 [2022-11-19 06:49:51,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:49:51,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:49:51,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:49:51,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:49:51,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:49:51,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:49:51,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:49:51,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:49:51,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:49:51,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:49:51,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:49:51,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:49:51,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:49:51,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:49:51,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:49:51,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:49:51,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:49:51,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:49:51,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:49:51,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:49:51,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:49:51,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:49:51,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:49:51,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:49:51,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:49:51,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:49:51,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:49:51,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:49:51,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:49:51,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:49:51,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:49:51,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:49:51,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:49:51,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:49:51,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:49:51,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:49:51,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:49:51,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:49:51,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:49:51,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:49:51,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:49:51,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:49:51,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:49:51,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:49:51,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:49:51,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:49:51,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:49:51,822 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:49:51,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:49:51,822 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:49:51,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:49:51,824 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:49:51,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:49:51,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:49:51,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:49:51,825 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:49:51,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:49:51,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:49:51,826 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:49:51,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:49:51,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:49:51,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:49:51,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:49:51,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:49:51,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:49:51,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:49:51,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:49:51,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:49:51,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:49:51,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:49:51,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:51,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:49:51,831 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:49:51,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:49:51,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:49:51,831 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:49:51,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:49:51,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:49:51,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:49:51,833 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_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74d906337e06c8dd2c0528b072883bb6b5dcc493fa945e0ee9e0dd423781a39 [2022-11-19 06:49:52,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:49:52,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:49:52,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:49:52,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:49:52,170 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:49:52,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:49:52,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/2ac9718f6/2d29c5fa73894e01a0cd0d964531edc6/FLAG69a1fa33e [2022-11-19 06:49:53,041 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:49:53,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:49:53,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/2ac9718f6/2d29c5fa73894e01a0cd0d964531edc6/FLAG69a1fa33e [2022-11-19 06:49:53,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/2ac9718f6/2d29c5fa73894e01a0cd0d964531edc6 [2022-11-19 06:49:53,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:49:53,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:49:53,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:53,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:49:53,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:49:53,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:53" (1/1) ... [2022-11-19 06:49:53,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c98b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:53, skipping insertion in model container [2022-11-19 06:49:53,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:53" (1/1) ... [2022-11-19 06:49:53,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:49:53,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:49:53,632 WARN L234 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_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1014,1027] [2022-11-19 06:49:54,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:54,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:49:54,144 WARN L234 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_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1014,1027] [2022-11-19 06:49:54,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:54,391 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:49:54,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54 WrapperNode [2022-11-19 06:49:54,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:54,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:54,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:49:54,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:49:54,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,706 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4291 [2022-11-19 06:49:54,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:54,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:49:54,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:49:54,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:49:54,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:54,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:55,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:49:55,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:49:55,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:49:55,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:49:55,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (1/1) ... [2022-11-19 06:49:55,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:49:55,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:49:55,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:49:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:49:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:49:55,732 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:49:55,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:50:04,545 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:50:24,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:50:24,493 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:50:24,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:50:24 BoogieIcfgContainer [2022-11-19 06:50:24,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:50:24,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:50:24,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:50:24,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:50:24,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:49:53" (1/3) ... [2022-11-19 06:50:24,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c619f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:50:24, skipping insertion in model container [2022-11-19 06:50:24,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:54" (2/3) ... [2022-11-19 06:50:24,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c619f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:50:24, skipping insertion in model container [2022-11-19 06:50:24,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:50:24" (3/3) ... [2022-11-19 06:50:24,510 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:50:24,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:50:24,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:50:24,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:50:24,592 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;@3737129, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:50:24,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:50:24,597 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) [2022-11-19 06:50:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:50:24,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:24,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:50:24,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:24,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:24,610 INFO L85 PathProgramCache]: Analyzing trace with hash 84813075, now seen corresponding path program 1 times [2022-11-19 06:50:24,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:50:24,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137138533] [2022-11-19 06:50:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:24,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:50:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:50:25,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 06:50:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:50:25,525 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 06:50:25,527 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 06:50:25,529 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:50:25,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:50:25,535 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 06:50:25,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:50:25,570 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 06:50:25,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:50:25 BoogieIcfgContainer [2022-11-19 06:50:25,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:50:25,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:50:25,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:50:25,586 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:50:25,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:50:24" (3/4) ... [2022-11-19 06:50:25,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 06:50:25,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:50:25,591 INFO L158 Benchmark]: Toolchain (without parser) took 32377.46ms. Allocated memory was 138.4MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 102.1MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-19 06:50:25,592 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:50:25,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1174.57ms. Allocated memory is still 138.4MB. Free memory was 101.8MB in the beginning and 88.0MB in the end (delta: 13.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-11-19 06:50:25,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 313.71ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 64.3MB in the end (delta: 23.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-19 06:50:25,594 INFO L158 Benchmark]: Boogie Preprocessor took 300.95ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 64.3MB in the beginning and 140.0MB in the end (delta: -75.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-19 06:50:25,595 INFO L158 Benchmark]: RCFGBuilder took 29486.50ms. Allocated memory was 216.0MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 139.1MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 996.3MB. Max. memory is 16.1GB. [2022-11-19 06:50:25,596 INFO L158 Benchmark]: TraceAbstraction took 1085.56ms. Allocated memory is still 7.3GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-11-19 06:50:25,596 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 7.3GB. Free memory is still 6.2GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:50:25,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1174.57ms. Allocated memory is still 138.4MB. Free memory was 101.8MB in the beginning and 88.0MB in the end (delta: 13.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 313.71ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 64.3MB in the end (delta: 23.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 300.95ms. Allocated memory was 138.4MB in the beginning and 216.0MB in the end (delta: 77.6MB). Free memory was 64.3MB in the beginning and 140.0MB in the end (delta: -75.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29486.50ms. Allocated memory was 216.0MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 139.1MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 996.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1085.56ms. Allocated memory is still 7.3GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 7.3GB. Free memory is still 6.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: 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 342, overapproximation of bitwiseAnd at line 235. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_46 = 0; [L39] const SORT_4 var_99 = 1; [L40] const SORT_4 var_100 = 0; [L41] const SORT_2 var_114 = 0; [L42] const SORT_2 var_116 = 1; [L43] const SORT_3 var_141 = 0; [L44] const SORT_2 var_190 = 2; [L45] const SORT_2 var_192 = 3; [L46] const SORT_4 var_389 = 5; [L47] const SORT_2 var_401 = 5; [L48] const SORT_4 var_510 = 2; [L49] const SORT_4 var_555 = 3; [L50] const SORT_4 var_600 = 4; [L52] SORT_1 input_113; [L53] SORT_1 input_115; [L54] SORT_1 input_120; [L55] SORT_1 input_121; [L56] SORT_1 input_125; [L57] SORT_1 input_126; [L58] SORT_1 input_130; [L59] SORT_1 input_131; [L60] SORT_1 input_135; [L61] SORT_1 input_136; [L62] SORT_1 input_140; [L63] SORT_1 input_148; [L64] SORT_1 input_155; [L65] SORT_1 input_162; [L66] SORT_1 input_169; [L67] SORT_1 input_176; [L68] SORT_1 input_180; [L69] SORT_1 input_181; [L70] SORT_1 input_201; [L71] SORT_1 input_205; [L72] SORT_1 input_206; [L73] SORT_1 input_224; [L74] SORT_1 input_228; [L75] SORT_1 input_229; [L76] SORT_1 input_247; [L77] SORT_1 input_251; [L78] SORT_1 input_252; [L79] SORT_1 input_270; [L80] SORT_1 input_274; [L81] SORT_1 input_275; [L82] SORT_1 input_300; [L83] SORT_1 input_303; [L84] SORT_1 input_319; [L85] SORT_1 input_322; [L86] SORT_1 input_338; [L87] SORT_1 input_341; [L88] SORT_1 input_357; [L89] SORT_1 input_360; [L90] SORT_1 input_376; [L91] SORT_1 input_379; [L93] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] SORT_2 init_7_arg_1 = var_5; [L141] state_6 = init_7_arg_1 [L142] SORT_2 init_9_arg_1 = var_5; [L143] state_8 = init_9_arg_1 [L144] SORT_2 init_11_arg_1 = var_5; [L145] state_10 = init_11_arg_1 [L146] SORT_2 init_13_arg_1 = var_5; [L147] state_12 = init_13_arg_1 [L148] SORT_2 init_15_arg_1 = var_5; [L149] state_14 = init_15_arg_1 [L150] SORT_2 init_17_arg_1 = var_5; [L151] state_16 = init_17_arg_1 [L152] SORT_2 init_19_arg_1 = var_5; [L153] state_18 = init_19_arg_1 [L154] SORT_2 init_21_arg_1 = var_5; [L155] state_20 = init_21_arg_1 [L156] SORT_2 init_23_arg_1 = var_5; [L157] state_22 = init_23_arg_1 [L158] SORT_2 init_25_arg_1 = var_5; [L159] state_24 = init_25_arg_1 [L160] SORT_2 init_27_arg_1 = var_5; [L161] state_26 = init_27_arg_1 [L162] SORT_2 init_29_arg_1 = var_5; [L163] state_28 = init_29_arg_1 [L164] SORT_2 init_31_arg_1 = var_5; [L165] state_30 = init_31_arg_1 [L166] SORT_2 init_33_arg_1 = var_5; [L167] state_32 = init_33_arg_1 [L168] SORT_2 init_35_arg_1 = var_5; [L169] state_34 = init_35_arg_1 [L170] SORT_2 init_37_arg_1 = var_5; [L171] state_36 = init_37_arg_1 [L172] SORT_2 init_39_arg_1 = var_5; [L173] state_38 = init_39_arg_1 [L174] SORT_2 init_41_arg_1 = var_5; [L175] state_40 = init_41_arg_1 [L176] SORT_2 init_43_arg_1 = var_5; [L177] state_42 = init_43_arg_1 [L178] SORT_2 init_45_arg_1 = var_5; [L179] state_44 = init_45_arg_1 [L180] SORT_1 init_48_arg_1 = var_46; [L181] state_47 = init_48_arg_1 [L182] SORT_1 init_50_arg_1 = var_46; [L183] state_49 = init_50_arg_1 [L184] SORT_1 init_52_arg_1 = var_46; [L185] state_51 = init_52_arg_1 [L186] SORT_1 init_54_arg_1 = var_46; [L187] state_53 = init_54_arg_1 [L188] SORT_1 init_56_arg_1 = var_46; [L189] state_55 = init_56_arg_1 [L190] SORT_1 init_58_arg_1 = var_46; [L191] state_57 = init_58_arg_1 [L192] SORT_1 init_60_arg_1 = var_46; [L193] state_59 = init_60_arg_1 [L194] SORT_1 init_62_arg_1 = var_46; [L195] state_61 = init_62_arg_1 [L196] SORT_1 init_64_arg_1 = var_46; [L197] state_63 = init_64_arg_1 [L198] SORT_1 init_66_arg_1 = var_46; [L199] state_65 = init_66_arg_1 [L200] SORT_1 init_68_arg_1 = var_46; [L201] state_67 = init_68_arg_1 [L202] SORT_1 init_70_arg_1 = var_46; [L203] state_69 = init_70_arg_1 [L204] SORT_1 init_72_arg_1 = var_46; [L205] state_71 = init_72_arg_1 [L206] SORT_1 init_74_arg_1 = var_46; [L207] state_73 = init_74_arg_1 [L208] SORT_1 init_76_arg_1 = var_46; [L209] state_75 = init_76_arg_1 [L210] SORT_1 init_78_arg_1 = var_46; [L211] state_77 = init_78_arg_1 [L212] SORT_1 init_80_arg_1 = var_46; [L213] state_79 = init_80_arg_1 [L214] SORT_1 init_82_arg_1 = var_46; [L215] state_81 = init_82_arg_1 [L216] SORT_1 init_84_arg_1 = var_46; [L217] state_83 = init_84_arg_1 [L218] SORT_1 init_86_arg_1 = var_46; [L219] state_85 = init_86_arg_1 [L220] SORT_1 init_88_arg_1 = var_46; [L221] state_87 = init_88_arg_1 [L222] SORT_1 init_90_arg_1 = var_46; [L223] state_89 = init_90_arg_1 [L224] SORT_1 init_92_arg_1 = var_46; [L225] state_91 = init_92_arg_1 [L226] SORT_1 init_94_arg_1 = var_46; [L227] state_93 = init_94_arg_1 [L228] SORT_1 init_96_arg_1 = var_46; [L229] state_95 = init_96_arg_1 [L230] SORT_1 init_98_arg_1 = var_46; [L231] state_97 = init_98_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, var_100=0, var_114=0, var_116=1, var_141=0, var_190=2, var_192=3, var_389=5, var_401=5, var_46=0, var_5=0, var_510=2, var_555=3, var_600=4, var_99=1] [L234] input_113 = __VERIFIER_nondet_uchar() [L235] input_113 = input_113 & mask_SORT_1 [L236] input_115 = __VERIFIER_nondet_uchar() [L237] input_115 = input_115 & mask_SORT_1 [L238] input_120 = __VERIFIER_nondet_uchar() [L239] input_120 = input_120 & mask_SORT_1 [L240] input_121 = __VERIFIER_nondet_uchar() [L241] input_121 = input_121 & mask_SORT_1 [L242] input_125 = __VERIFIER_nondet_uchar() [L243] input_125 = input_125 & mask_SORT_1 [L244] input_126 = __VERIFIER_nondet_uchar() [L245] input_126 = input_126 & mask_SORT_1 [L246] input_130 = __VERIFIER_nondet_uchar() [L247] input_130 = input_130 & mask_SORT_1 [L248] input_131 = __VERIFIER_nondet_uchar() [L249] input_131 = input_131 & mask_SORT_1 [L250] input_135 = __VERIFIER_nondet_uchar() [L251] input_135 = input_135 & mask_SORT_1 [L252] input_136 = __VERIFIER_nondet_uchar() [L253] input_136 = input_136 & mask_SORT_1 [L254] input_140 = __VERIFIER_nondet_uchar() [L255] input_140 = input_140 & mask_SORT_1 [L256] input_148 = __VERIFIER_nondet_uchar() [L257] input_148 = input_148 & mask_SORT_1 [L258] input_155 = __VERIFIER_nondet_uchar() [L259] input_155 = input_155 & mask_SORT_1 [L260] input_162 = __VERIFIER_nondet_uchar() [L261] input_162 = input_162 & mask_SORT_1 [L262] input_169 = __VERIFIER_nondet_uchar() [L263] input_169 = input_169 & mask_SORT_1 [L264] input_176 = __VERIFIER_nondet_uchar() [L265] input_176 = input_176 & mask_SORT_1 [L266] input_180 = __VERIFIER_nondet_uchar() [L267] input_180 = input_180 & mask_SORT_1 [L268] input_181 = __VERIFIER_nondet_uchar() [L269] input_181 = input_181 & mask_SORT_1 [L270] input_201 = __VERIFIER_nondet_uchar() [L271] input_201 = input_201 & mask_SORT_1 [L272] input_205 = __VERIFIER_nondet_uchar() [L273] input_205 = input_205 & mask_SORT_1 [L274] input_206 = __VERIFIER_nondet_uchar() [L275] input_206 = input_206 & mask_SORT_1 [L276] input_224 = __VERIFIER_nondet_uchar() [L277] input_224 = input_224 & mask_SORT_1 [L278] input_228 = __VERIFIER_nondet_uchar() [L279] input_228 = input_228 & mask_SORT_1 [L280] input_229 = __VERIFIER_nondet_uchar() [L281] input_229 = input_229 & mask_SORT_1 [L282] input_247 = __VERIFIER_nondet_uchar() [L283] input_247 = input_247 & mask_SORT_1 [L284] input_251 = __VERIFIER_nondet_uchar() [L285] input_251 = input_251 & mask_SORT_1 [L286] input_252 = __VERIFIER_nondet_uchar() [L287] input_252 = input_252 & mask_SORT_1 [L288] input_270 = __VERIFIER_nondet_uchar() [L289] input_270 = input_270 & mask_SORT_1 [L290] input_274 = __VERIFIER_nondet_uchar() [L291] input_274 = input_274 & mask_SORT_1 [L292] input_275 = __VERIFIER_nondet_uchar() [L293] input_275 = input_275 & mask_SORT_1 [L294] input_300 = __VERIFIER_nondet_uchar() [L295] input_303 = __VERIFIER_nondet_uchar() [L296] input_319 = __VERIFIER_nondet_uchar() [L297] input_322 = __VERIFIER_nondet_uchar() [L298] input_338 = __VERIFIER_nondet_uchar() [L299] input_341 = __VERIFIER_nondet_uchar() [L300] input_357 = __VERIFIER_nondet_uchar() [L301] input_360 = __VERIFIER_nondet_uchar() [L302] input_376 = __VERIFIER_nondet_uchar() [L303] input_379 = __VERIFIER_nondet_uchar() [L306] SORT_1 var_101_arg_0 = state_55; [L307] SORT_4 var_101_arg_1 = var_99; [L308] SORT_4 var_101_arg_2 = var_100; [L309] SORT_4 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L310] SORT_1 var_102_arg_0 = state_65; [L311] SORT_4 var_102_arg_1 = var_99; [L312] SORT_4 var_102_arg_2 = var_100; [L313] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L314] SORT_4 var_103_arg_0 = var_101; [L315] SORT_4 var_103_arg_1 = var_102; [L316] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L317] SORT_1 var_104_arg_0 = state_75; [L318] SORT_4 var_104_arg_1 = var_99; [L319] SORT_4 var_104_arg_2 = var_100; [L320] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L321] SORT_4 var_105_arg_0 = var_103; [L322] SORT_4 var_105_arg_1 = var_104; [L323] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L324] SORT_1 var_106_arg_0 = state_85; [L325] SORT_4 var_106_arg_1 = var_99; [L326] SORT_4 var_106_arg_2 = var_100; [L327] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L328] SORT_4 var_107_arg_0 = var_105; [L329] SORT_4 var_107_arg_1 = var_106; [L330] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L331] SORT_1 var_108_arg_0 = state_95; [L332] SORT_4 var_108_arg_1 = var_99; [L333] SORT_4 var_108_arg_2 = var_100; [L334] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L335] SORT_4 var_109_arg_0 = var_107; [L336] SORT_4 var_109_arg_1 = var_108; [L337] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L338] var_109 = var_109 & mask_SORT_4 [L339] SORT_4 var_110_arg_0 = var_109; [L340] SORT_4 var_110_arg_1 = var_99; [L341] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L342] SORT_1 var_111_arg_0 = ~state_97; [L343] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L344] SORT_1 var_111_arg_1 = ~var_110; [L345] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L346] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L347] var_111 = var_111 & mask_SORT_1 [L348] SORT_1 bad_112_arg_0 = var_111; [L349] CALL __VERIFIER_assert(!(bad_112_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 0.4s 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 [2022-11-19 06:50:25,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS --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 c74d906337e06c8dd2c0528b072883bb6b5dcc493fa945e0ee9e0dd423781a39 --- 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-8393723 [2022-11-19 06:50:28,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:50:28,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:50:28,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:50:28,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:50:28,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:50:28,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:50:28,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:50:28,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:50:28,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:50:28,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:50:28,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:50:28,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:50:28,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:50:28,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:50:28,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:50:28,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:50:28,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:50:28,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:50:28,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:50:28,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:50:28,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:50:28,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:50:28,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:50:28,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:50:28,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:50:28,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:50:28,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:50:28,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:50:28,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:50:28,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:50:28,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:50:28,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:50:28,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:50:28,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:50:28,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:50:28,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:50:28,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:50:28,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:50:28,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:50:28,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:50:28,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 06:50:28,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:50:28,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:50:28,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:50:28,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:50:28,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:50:28,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:50:28,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:50:28,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:50:28,267 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:50:28,267 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:50:28,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:50:28,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:50:28,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:50:28,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:50:28,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:50:28,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:50:28,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:50:28,269 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:50:28,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:50:28,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:50:28,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:50:28,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:50:28,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:50:28,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:50:28,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:50:28,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:50:28,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:50:28,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:50:28,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:50:28,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:50:28,273 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_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74d906337e06c8dd2c0528b072883bb6b5dcc493fa945e0ee9e0dd423781a39 [2022-11-19 06:50:28,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:50:28,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:50:28,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:50:28,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:50:28,673 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:50:28,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:50:28,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/4df4c910c/9e5f626288b7480384bbc966658dea87/FLAG1b06ec8a2 [2022-11-19 06:50:29,520 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:50:29,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:50:29,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/4df4c910c/9e5f626288b7480384bbc966658dea87/FLAG1b06ec8a2 [2022-11-19 06:50:29,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/data/4df4c910c/9e5f626288b7480384bbc966658dea87 [2022-11-19 06:50:29,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:50:29,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:50:29,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:50:29,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:50:29,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:50:29,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:50:29" (1/1) ... [2022-11-19 06:50:29,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a6526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:29, skipping insertion in model container [2022-11-19 06:50:29,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:50:29" (1/1) ... [2022-11-19 06:50:29,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:50:29,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:50:30,044 WARN L234 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_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1014,1027] [2022-11-19 06:50:30,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:50:30,559 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:50:30,570 WARN L234 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_a82156a8-2309-4c5e-b81f-14431dac057d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.8.prop1-func-interl.c[1014,1027] [2022-11-19 06:50:30,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:50:30,794 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:50:30,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30 WrapperNode [2022-11-19 06:50:30,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:50:30,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:50:30,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:50:30,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:50:30,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:30,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,043 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2737 [2022-11-19 06:50:31,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:50:31,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:50:31,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:50:31,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:50:31,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:50:31,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:50:31,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:50:31,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:50:31,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (1/1) ... [2022-11-19 06:50:31,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:50:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:50:31,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:50:31,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:50:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:50:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:50:31,971 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:50:31,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:50:37,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:50:37,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:50:37,722 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:50:37,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:50:37 BoogieIcfgContainer [2022-11-19 06:50:37,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:50:37,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:50:37,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:50:37,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:50:37,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:50:29" (1/3) ... [2022-11-19 06:50:37,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673cacb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:50:37, skipping insertion in model container [2022-11-19 06:50:37,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:50:30" (2/3) ... [2022-11-19 06:50:37,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673cacb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:50:37, skipping insertion in model container [2022-11-19 06:50:37,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:50:37" (3/3) ... [2022-11-19 06:50:37,735 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.8.prop1-func-interl.c [2022-11-19 06:50:37,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:50:37,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:50:37,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:50:37,813 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;@2013ecc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:50:37,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:50:37,818 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) [2022-11-19 06:50:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 06:50:37,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:37,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 06:50:37,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:37,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 06:50:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:37,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893106061] [2022-11-19 06:50:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:37,852 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 [2022-11-19 06:50:37,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:37,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 06:50:37,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 06:50:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:38,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-19 06:50:38,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:38,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:38,904 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:38,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893106061] [2022-11-19 06:50:38,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893106061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:38,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:38,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:50:38,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92612637] [2022-11-19 06:50:38,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:38,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:50:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:50:38,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:50:38,941 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) [2022-11-19 06:50:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:40,057 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-19 06:50:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:50:40,061 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 [2022-11-19 06:50:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:40,070 INFO L225 Difference]: With dead ends: 20 [2022-11-19 06:50:40,070 INFO L226 Difference]: Without dead ends: 11 [2022-11-19 06:50:40,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:50:40,077 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:40,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 06:50:40,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-19 06:50:40,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-19 06:50:40,118 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) [2022-11-19 06:50:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-19 06:50:40,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-19 06:50:40,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:40,121 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-19 06:50:40,122 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) [2022-11-19 06:50:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-19 06:50:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 06:50:40,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:40,123 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:40,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 06:50:40,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 06:50:40,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-19 06:50:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:40,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366012419] [2022-11-19 06:50:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:40,342 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 [2022-11-19 06:50:40,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:40,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 06:50:40,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 06:50:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:41,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 208 conjunts are in the unsatisfiable core [2022-11-19 06:50:41,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:46,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:51:44,991 WARN L233 SmtUtils]: Spent 44.26s on a formula simplification that was a NOOP. DAG size: 493 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:51:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:51:47,816 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:51:47,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366012419] [2022-11-19 06:51:47,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366012419] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:51:47,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2042442853] [2022-11-19 06:51:47,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:51:47,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:51:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:51:47,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:51:47,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-19 06:51:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:51:50,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 205 conjunts are in the unsatisfiable core [2022-11-19 06:51:50,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:51:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:51:56,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:52:15,280 WARN L233 SmtUtils]: Spent 15.65s on a formula simplification. DAG size of input: 91 DAG size of output: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:53:39,158 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:53:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:53:41,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2042442853] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:53:41,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321939685] [2022-11-19 06:53:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:41,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:41,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:41,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:53:41,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82156a8-2309-4c5e-b81f-14431dac057d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:53:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:42,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 208 conjunts are in the unsatisfiable core [2022-11-19 06:53:42,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:53:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:53:46,753 INFO L328 TraceCheckSpWp]: Computing backward predicates...