./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16d0a229e446ebb3f7632dc27a51dec3b716b02668fde06be2a0b6ed60024488 --- 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-38b53e6 [2022-11-25 17:43:00,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:43:00,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:43:00,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:43:00,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:43:00,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:43:00,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:43:00,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:43:00,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:43:00,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:43:00,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:43:00,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:43:00,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:43:00,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:43:00,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:43:00,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:43:00,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:43:00,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:43:00,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:43:00,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:43:00,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:43:00,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:43:00,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:43:00,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:43:00,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:43:00,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:43:00,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:43:00,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:43:00,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:43:00,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:43:00,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:43:00,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:43:00,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:43:00,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:43:00,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:43:00,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:43:00,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:43:00,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:43:00,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:43:00,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:43:00,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:43:00,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:43:00,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:43:00,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:43:00,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:43:00,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:43:00,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:43:00,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:43:00,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:43:00,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:43:00,247 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:43:00,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:43:00,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:43:00,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:43:00,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:43:00,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:43:00,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:43:00,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:43:00,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:43:00,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:43:00,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:43:00,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:43:00,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:43:00,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:43:00,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:43:00,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:43:00,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:43:00,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:43:00,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:43:00,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:43:00,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:43:00,255 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:43:00,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:43:00,256 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d0a229e446ebb3f7632dc27a51dec3b716b02668fde06be2a0b6ed60024488 [2022-11-25 17:43:00,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:43:00,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:43:00,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:43:00,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:43:00,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:43:00,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:43:04,213 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:43:04,746 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:43:04,749 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:43:04,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/772043adc/58535a730a4643f1a714a9e5964d6638/FLAG1aadb4c3d [2022-11-25 17:43:04,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/772043adc/58535a730a4643f1a714a9e5964d6638 [2022-11-25 17:43:04,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:43:04,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:43:04,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:43:04,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:43:04,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:43:04,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:43:04" (1/1) ... [2022-11-25 17:43:04,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d0bfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:04, skipping insertion in model container [2022-11-25 17:43:04,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:43:04" (1/1) ... [2022-11-25 17:43:04,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:43:04,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:43:05,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1107,1120] [2022-11-25 17:43:05,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:43:05,674 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:43:05,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1107,1120] [2022-11-25 17:43:05,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:43:05,921 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:43:05,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05 WrapperNode [2022-11-25 17:43:05,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:43:05,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:43:05,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:43:05,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:43:05,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,240 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1958 [2022-11-25 17:43:06,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:43:06,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:43:06,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:43:06,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:43:06,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,325 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:43:06,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:43:06,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:43:06,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:43:06,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (1/1) ... [2022-11-25 17:43:06,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:43:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:43:06,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:43:06,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:43:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:43:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:43:07,078 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:43:07,080 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:44:15,875 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:44:15,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:44:15,885 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:44:15,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:15 BoogieIcfgContainer [2022-11-25 17:44:15,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:44:15,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:44:15,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:44:15,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:44:15,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:43:04" (1/3) ... [2022-11-25 17:44:15,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb1570b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:44:15, skipping insertion in model container [2022-11-25 17:44:15,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:05" (2/3) ... [2022-11-25 17:44:15,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb1570b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:44:15, skipping insertion in model container [2022-11-25 17:44:15,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:15" (3/3) ... [2022-11-25 17:44:15,904 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:44:15,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:44:15,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:44:15,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:44:15,999 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d25b998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:44:15,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:44:16,004 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) [2022-11-25 17:44:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:44:16,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:16,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:44:16,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:16,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:44:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:16,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692670089] [2022-11-25 17:44:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:19,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:44:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:44:20,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:44:20,744 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:44:20,745 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:44:20,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:44:20,757 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:44:20,763 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:44:20,829 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 17:44:20,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:44:20 BoogieIcfgContainer [2022-11-25 17:44:20,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:44:20,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:44:20,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:44:20,865 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:44:20,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:15" (3/4) ... [2022-11-25 17:44:20,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:44:20,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:44:20,872 INFO L158 Benchmark]: Toolchain (without parser) took 76075.97ms. Allocated memory was 155.2MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 110.2MB in the beginning and 934.0MB in the end (delta: -823.8MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,872 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:44:20,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1125.34ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 50.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 317.33ms. Allocated memory is still 155.2MB. Free memory was 50.2MB in the beginning and 108.4MB in the end (delta: -58.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,874 INFO L158 Benchmark]: Boogie Preprocessor took 115.58ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 99.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,875 INFO L158 Benchmark]: RCFGBuilder took 69530.17ms. Allocated memory was 155.2MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 99.2MB in the beginning and 859.7MB in the end (delta: -760.5MB). Peak memory consumption was 631.7MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,876 INFO L158 Benchmark]: TraceAbstraction took 4973.66ms. Allocated memory is still 1.0GB. Free memory was 859.7MB in the beginning and 935.1MB in the end (delta: -75.4MB). Peak memory consumption was 497.2MB. Max. memory is 16.1GB. [2022-11-25 17:44:20,877 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 1.0GB. Free memory was 935.1MB in the beginning and 934.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:44:20,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1125.34ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 50.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 317.33ms. Allocated memory is still 155.2MB. Free memory was 50.2MB in the beginning and 108.4MB in the end (delta: -58.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.58ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 99.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 69530.17ms. Allocated memory was 155.2MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 99.2MB in the beginning and 859.7MB in the end (delta: -760.5MB). Peak memory consumption was 631.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4973.66ms. Allocated memory is still 1.0GB. Free memory was 859.7MB in the beginning and 935.1MB in the end (delta: -75.4MB). Peak memory consumption was 497.2MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 1.0GB. Free memory was 935.1MB in the beginning and 934.0MB in the end (delta: 1.0MB). 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 170, overapproximation of bitwiseOr at line 188, overapproximation of bitwiseAnd at line 164. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L34] const SORT_38 mask_SORT_38 = (SORT_38)-1 >> (sizeof(SORT_38) * 8 - 31); [L35] const SORT_38 msb_SORT_38 = (SORT_38)1 << (31 - 1); [L37] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 3); [L38] const SORT_45 msb_SORT_45 = (SORT_45)1 << (3 - 1); [L40] const SORT_3 var_4 = 0; [L41] const SORT_3 var_5 = 1; [L42] const SORT_6 var_7 = 2; [L43] const SORT_6 var_10 = 1; [L44] const SORT_1 var_32 = 1; [L45] const SORT_1 var_33 = 0; [L46] const SORT_38 var_39 = 0; [L47] const SORT_6 var_41 = 0; [L48] const SORT_45 var_46 = 0; [L49] const SORT_45 var_50 = 1; [L50] const SORT_45 var_56 = 4; [L51] const SORT_45 var_58 = 5; [L52] const SORT_45 var_76 = 2; [L53] const SORT_45 var_86 = 3; [L55] SORT_1 input_2; [L56] SORT_45 input_451; [L57] SORT_45 input_572; [L59] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L60] SORT_6 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L61] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_6 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L63] SORT_45 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L64] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_6 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L66] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_145 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_147 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_45 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L73] SORT_1 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_45 state_170 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L76] SORT_1 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_174 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_178 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_180 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_45 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L83] SORT_1 state_189 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_203 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_45 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L86] SORT_1 state_207 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] SORT_1 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_6 init_9_arg_1 = var_7; [L90] state_8 = init_9_arg_1 [L91] SORT_6 init_18_arg_1 = var_7; [L92] state_17 = init_18_arg_1 [L93] SORT_1 init_35_arg_1 = var_33; [L94] state_34 = init_35_arg_1 [L95] SORT_6 init_43_arg_1 = var_41; [L96] state_42 = init_43_arg_1 [L97] SORT_45 init_48_arg_1 = var_46; [L98] state_47 = init_48_arg_1 [L99] SORT_1 init_73_arg_1 = var_33; [L100] state_72 = init_73_arg_1 [L101] SORT_6 init_99_arg_1 = var_41; [L102] state_98 = init_99_arg_1 [L103] SORT_1 init_130_arg_1 = var_33; [L104] state_129 = init_130_arg_1 [L105] SORT_1 init_132_arg_1 = var_33; [L106] state_131 = init_132_arg_1 [L107] SORT_1 init_142_arg_1 = var_33; [L108] state_141 = init_142_arg_1 [L109] SORT_1 init_144_arg_1 = var_33; [L110] state_143 = init_144_arg_1 [L111] SORT_1 init_146_arg_1 = var_33; [L112] state_145 = init_146_arg_1 [L113] SORT_1 init_148_arg_1 = var_32; [L114] state_147 = init_148_arg_1 [L115] SORT_45 init_150_arg_1 = var_58; [L116] state_149 = init_150_arg_1 [L117] SORT_1 init_155_arg_1 = var_32; [L118] state_154 = init_155_arg_1 [L119] SORT_1 init_169_arg_1 = var_32; [L120] state_168 = init_169_arg_1 [L121] SORT_45 init_171_arg_1 = var_76; [L122] state_170 = init_171_arg_1 [L123] SORT_1 init_173_arg_1 = var_33; [L124] state_172 = init_173_arg_1 [L125] SORT_1 init_175_arg_1 = var_33; [L126] state_174 = init_175_arg_1 [L127] SORT_1 init_177_arg_1 = var_33; [L128] state_176 = init_177_arg_1 [L129] SORT_1 init_179_arg_1 = var_33; [L130] state_178 = init_179_arg_1 [L131] SORT_1 init_181_arg_1 = var_33; [L132] state_180 = init_181_arg_1 [L133] SORT_1 init_183_arg_1 = var_32; [L134] state_182 = init_183_arg_1 [L135] SORT_45 init_185_arg_1 = var_58; [L136] state_184 = init_185_arg_1 [L137] SORT_1 init_190_arg_1 = var_32; [L138] state_189 = init_190_arg_1 [L139] SORT_1 init_204_arg_1 = var_32; [L140] state_203 = init_204_arg_1 [L141] SORT_45 init_206_arg_1 = var_76; [L142] state_205 = init_206_arg_1 [L143] SORT_1 init_208_arg_1 = var_33; [L144] state_207 = init_208_arg_1 [L145] SORT_1 init_210_arg_1 = var_33; [L146] state_209 = init_210_arg_1 VAL [init_130_arg_1=0, init_132_arg_1=0, init_142_arg_1=0, init_144_arg_1=0, init_146_arg_1=0, init_148_arg_1=1, init_150_arg_1=5, init_155_arg_1=1, init_169_arg_1=1, init_171_arg_1=2, init_173_arg_1=0, init_175_arg_1=0, init_177_arg_1=0, init_179_arg_1=0, init_181_arg_1=0, init_183_arg_1=1, init_185_arg_1=5, init_18_arg_1=2, init_190_arg_1=1, init_204_arg_1=1, init_206_arg_1=2, init_208_arg_1=0, init_210_arg_1=0, init_35_arg_1=0, init_43_arg_1=0, init_48_arg_1=0, init_73_arg_1=0, init_99_arg_1=0, init_9_arg_1=2, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_38=4294967295, mask_SORT_45=7, mask_SORT_6=3, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_38=1073741824, msb_SORT_45=4, msb_SORT_6=2, state_129=0, state_131=0, state_141=0, state_143=0, state_145=0, state_147=1, state_149=5, state_154=1, state_168=1, state_17=2, state_170=2, state_172=0, state_174=0, state_176=0, state_178=0, state_180=0, state_182=1, state_184=5, state_189=1, state_203=1, state_205=2, state_207=0, state_209=0, state_34=0, state_42=0, state_47=0, state_72=0, state_8=2, state_98=0, var_10=1, var_32=1, var_33=0, var_39=0, var_4=0, var_41=0, var_46=0, var_5=1, var_50=1, var_56=4, var_58=5, var_7=2, var_76=2, var_86=3] [L149] input_2 = __VERIFIER_nondet_uchar() [L150] input_451 = __VERIFIER_nondet_uchar() [L151] input_572 = __VERIFIER_nondet_uchar() [L154] SORT_6 var_11_arg_0 = state_8; [L155] SORT_6 var_11_arg_1 = var_10; [L156] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L157] SORT_1 var_12_arg_0 = var_11; [L158] SORT_3 var_12_arg_1 = var_5; [L159] SORT_3 var_12_arg_2 = var_4; [L160] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L161] SORT_3 var_13_arg_0 = var_12; [L162] SORT_1 var_13 = var_13_arg_0 >> 0; [L163] SORT_1 var_14_arg_0 = var_13; [L164] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L165] SORT_3 var_14 = var_14_arg_0; [L166] SORT_3 var_15_arg_0 = var_14; [L167] SORT_3 var_15_arg_1 = var_5; [L168] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L169] SORT_1 var_16_arg_0 = var_15; [L170] SORT_1 var_16 = ~var_16_arg_0; [L171] SORT_6 var_19_arg_0 = state_17; [L172] SORT_6 var_19_arg_1 = var_10; [L173] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L174] SORT_1 var_20_arg_0 = var_19; [L175] SORT_3 var_20_arg_1 = var_5; [L176] SORT_3 var_20_arg_2 = var_4; [L177] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L178] SORT_3 var_21_arg_0 = var_20; [L179] SORT_1 var_21 = var_21_arg_0 >> 0; [L180] SORT_1 var_22_arg_0 = var_21; [L181] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L182] SORT_3 var_22 = var_22_arg_0; [L183] SORT_3 var_23_arg_0 = var_22; [L184] SORT_3 var_23_arg_1 = var_5; [L185] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L186] SORT_1 var_24_arg_0 = var_16; [L187] SORT_1 var_24_arg_1 = var_23; [L188] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L189] SORT_1 var_25_arg_0 = var_21; [L190] var_25_arg_0 = var_25_arg_0 & mask_SORT_1 [L191] SORT_3 var_25 = var_25_arg_0; [L192] SORT_3 var_26_arg_0 = var_25; [L193] SORT_3 var_26_arg_1 = var_5; [L194] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L195] SORT_1 var_27_arg_0 = var_26; [L196] SORT_1 var_27 = ~var_27_arg_0; [L197] SORT_1 var_28_arg_0 = var_13; [L198] var_28_arg_0 = var_28_arg_0 & mask_SORT_1 [L199] SORT_3 var_28 = var_28_arg_0; [L200] SORT_3 var_29_arg_0 = var_28; [L201] SORT_3 var_29_arg_1 = var_5; [L202] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L203] SORT_1 var_30_arg_0 = var_27; [L204] SORT_1 var_30_arg_1 = var_29; [L205] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L206] SORT_1 var_31_arg_0 = var_24; [L207] SORT_1 var_31_arg_1 = var_30; [L208] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L209] SORT_45 var_64_arg_0 = state_47; [L210] SORT_45 var_64_arg_1 = var_50; [L211] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L212] SORT_6 var_65_arg_0 = state_42; [L213] SORT_6 var_65_arg_1 = var_10; [L214] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L215] SORT_1 var_66_arg_0 = var_64; [L216] SORT_1 var_66_arg_1 = var_65; [L217] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L218] var_66 = var_66 & mask_SORT_1 [L219] SORT_6 var_44_arg_0 = state_42; [L220] SORT_6 var_44_arg_1 = var_41; [L221] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L222] SORT_45 var_49_arg_0 = state_47; [L223] SORT_45 var_49_arg_1 = var_46; [L224] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L225] SORT_45 var_51_arg_0 = state_47; [L226] SORT_45 var_51_arg_1 = var_50; [L227] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L228] SORT_1 var_52_arg_0 = var_49; [L229] SORT_1 var_52_arg_1 = var_51; [L230] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L231] SORT_1 var_53_arg_0 = var_52; [L232] SORT_1 var_53 = ~var_53_arg_0; [L233] SORT_1 var_54_arg_0 = var_44; [L234] SORT_1 var_54_arg_1 = var_53; [L235] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L236] SORT_6 var_55_arg_0 = state_42; [L237] SORT_6 var_55_arg_1 = var_10; [L238] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L239] SORT_45 var_57_arg_0 = state_47; [L240] SORT_45 var_57_arg_1 = var_56; [L241] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L242] SORT_45 var_59_arg_0 = state_47; [L243] SORT_45 var_59_arg_1 = var_58; [L244] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L245] SORT_1 var_60_arg_0 = var_57; [L246] SORT_1 var_60_arg_1 = var_59; [L247] SORT_1 var_60 = var_60_arg_0 | var_60_arg_1; [L248] SORT_1 var_61_arg_0 = var_55; [L249] SORT_1 var_61_arg_1 = var_60; [L250] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L251] SORT_1 var_62_arg_0 = var_54; [L252] SORT_1 var_62_arg_1 = var_61; [L253] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L254] var_62 = var_62 & mask_SORT_1 [L255] SORT_1 var_36_arg_0 = state_34; [L256] SORT_1 var_36 = ~var_36_arg_0; [L257] SORT_1 var_37_arg_0 = var_32; [L258] SORT_1 var_37_arg_1 = var_36; [L259] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L260] var_37 = var_37 & mask_SORT_1 [L261] SORT_38 var_40_arg_0 = var_39; [L262] SORT_1 var_40_arg_1 = var_37; [L263] SORT_3 var_40 = ((SORT_3)var_40_arg_0 << 1) | var_40_arg_1; [L264] SORT_1 var_63_arg_0 = var_62; [L265] SORT_3 var_63_arg_1 = var_40; [L266] SORT_3 var_63_arg_2 = var_4; [L267] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L268] SORT_1 var_67_arg_0 = var_66; [L269] SORT_3 var_67_arg_1 = var_5; [L270] SORT_3 var_67_arg_2 = var_63; [L271] SORT_3 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L272] SORT_3 var_68_arg_0 = var_67; [L273] SORT_1 var_68 = var_68_arg_0 >> 0; [L274] var_68 = var_68 & mask_SORT_1 [L275] SORT_1 var_69_arg_0 = var_13; [L276] SORT_1 var_69_arg_1 = var_68; [L277] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L278] SORT_1 var_70_arg_0 = var_69; [L279] SORT_1 var_70_arg_1 = var_21; [L280] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L281] SORT_1 var_71_arg_0 = var_70; [L282] SORT_1 var_71 = ~var_71_arg_0; [L283] SORT_45 var_113_arg_0 = state_47; [L284] SORT_45 var_113_arg_1 = var_50; [L285] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L286] SORT_6 var_114_arg_0 = state_98; [L287] SORT_6 var_114_arg_1 = var_10; [L288] SORT_1 var_114 = var_114_arg_0 == var_114_arg_1; [L289] SORT_1 var_115_arg_0 = var_113; [L290] SORT_1 var_115_arg_1 = var_114; [L291] SORT_1 var_115 = var_115_arg_0 | var_115_arg_1; [L292] var_115 = var_115 & mask_SORT_1 [L293] SORT_6 var_100_arg_0 = state_98; [L294] SORT_6 var_100_arg_1 = var_41; [L295] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L296] SORT_45 var_101_arg_0 = state_47; [L297] SORT_45 var_101_arg_1 = var_46; [L298] SORT_1 var_101 = var_101_arg_0 == var_101_arg_1; [L299] SORT_45 var_102_arg_0 = state_47; [L300] SORT_45 var_102_arg_1 = var_50; [L301] SORT_1 var_102 = var_102_arg_0 == var_102_arg_1; [L302] SORT_1 var_103_arg_0 = var_101; [L303] SORT_1 var_103_arg_1 = var_102; [L304] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L305] SORT_1 var_104_arg_0 = var_103; [L306] SORT_1 var_104 = ~var_104_arg_0; [L307] SORT_1 var_105_arg_0 = var_100; [L308] SORT_1 var_105_arg_1 = var_104; [L309] SORT_1 var_105 = var_105_arg_0 & var_105_arg_1; [L310] SORT_6 var_106_arg_0 = state_98; [L311] SORT_6 var_106_arg_1 = var_10; [L312] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L313] SORT_45 var_107_arg_0 = state_47; [L314] SORT_45 var_107_arg_1 = var_56; [L315] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L316] SORT_45 var_108_arg_0 = state_47; [L317] SORT_45 var_108_arg_1 = var_58; [L318] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L319] SORT_1 var_109_arg_0 = var_107; [L320] SORT_1 var_109_arg_1 = var_108; [L321] SORT_1 var_109 = var_109_arg_0 | var_109_arg_1; [L322] SORT_1 var_110_arg_0 = var_106; [L323] SORT_1 var_110_arg_1 = var_109; [L324] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L325] SORT_1 var_111_arg_0 = var_105; [L326] SORT_1 var_111_arg_1 = var_110; [L327] SORT_1 var_111 = var_111_arg_0 | var_111_arg_1; [L328] var_111 = var_111 & mask_SORT_1 [L329] SORT_6 var_92_arg_0 = state_42; [L330] SORT_6 var_92_arg_1 = var_7; [L331] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L332] SORT_1 var_93_arg_0 = var_33; [L333] SORT_1 var_93_arg_1 = var_92; [L334] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L335] var_93 = var_93 & mask_SORT_1 [L336] SORT_45 var_77_arg_0 = state_47; [L337] SORT_45 var_77_arg_1 = var_76; [L338] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L339] SORT_45 var_78_arg_0 = state_47; [L340] SORT_45 var_78_arg_1 = var_56; [L341] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L342] SORT_1 var_79_arg_0 = var_77; [L343] SORT_1 var_79_arg_1 = var_78; [L344] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L345] SORT_45 var_80_arg_0 = state_47; [L346] SORT_45 var_80_arg_1 = var_58; [L347] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L348] SORT_1 var_81_arg_0 = var_79; [L349] SORT_1 var_81_arg_1 = var_80; [L350] SORT_1 var_81 = var_81_arg_0 | var_81_arg_1; [L351] SORT_45 var_82_arg_0 = state_47; [L352] SORT_45 var_82_arg_1 = var_50; [L353] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L354] SORT_6 var_83_arg_0 = state_42; [L355] SORT_6 var_83_arg_1 = var_10; [L356] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L357] SORT_1 var_84_arg_0 = var_82; [L358] SORT_1 var_84_arg_1 = var_83; [L359] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L360] SORT_1 var_85_arg_0 = var_81; [L361] SORT_1 var_85_arg_1 = var_84; [L362] SORT_1 var_85 = var_85_arg_0 | var_85_arg_1; [L363] SORT_45 var_87_arg_0 = state_47; [L364] SORT_45 var_87_arg_1 = var_86; [L365] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L366] SORT_6 var_88_arg_0 = state_42; [L367] SORT_6 var_88_arg_1 = var_41; [L368] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L369] SORT_1 var_89_arg_0 = var_87; [L370] SORT_1 var_89_arg_1 = var_88; [L371] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L372] SORT_1 var_90_arg_0 = var_85; [L373] SORT_1 var_90_arg_1 = var_89; [L374] SORT_1 var_90 = var_90_arg_0 | var_90_arg_1; [L375] var_90 = var_90 & mask_SORT_1 [L376] SORT_1 var_91_arg_0 = var_90; [L377] SORT_3 var_91_arg_1 = var_5; [L378] SORT_3 var_91_arg_2 = var_4; [L379] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L380] SORT_1 var_94_arg_0 = var_93; [L381] SORT_3 var_94_arg_1 = var_4; [L382] SORT_3 var_94_arg_2 = var_91; [L383] SORT_3 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L384] SORT_3 var_95_arg_0 = var_94; [L385] SORT_1 var_95 = var_95_arg_0 >> 0; [L386] var_95 = var_95 & mask_SORT_1 [L387] SORT_1 var_74_arg_0 = state_72; [L388] SORT_1 var_74 = ~var_74_arg_0; [L389] SORT_1 var_75_arg_0 = var_32; [L390] SORT_1 var_75_arg_1 = var_74; [L391] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L392] SORT_1 var_96_arg_0 = var_95; [L393] SORT_1 var_96_arg_1 = var_37; [L394] SORT_1 var_96_arg_2 = var_75; [L395] SORT_1 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L396] var_96 = var_96 & mask_SORT_1 [L397] SORT_38 var_97_arg_0 = var_39; [L398] SORT_1 var_97_arg_1 = var_96; [L399] SORT_3 var_97 = ((SORT_3)var_97_arg_0 << 1) | var_97_arg_1; [L400] SORT_1 var_112_arg_0 = var_111; [L401] SORT_3 var_112_arg_1 = var_97; [L402] SORT_3 var_112_arg_2 = var_4; [L403] SORT_3 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L404] SORT_1 var_116_arg_0 = var_115; [L405] SORT_3 var_116_arg_1 = var_5; [L406] SORT_3 var_116_arg_2 = var_112; [L407] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L408] SORT_3 var_117_arg_0 = var_116; [L409] SORT_1 var_117 = var_117_arg_0 >> 0; [L410] var_117 = var_117 & mask_SORT_1 [L411] SORT_1 var_118_arg_0 = var_71; [L412] SORT_1 var_118_arg_1 = var_117; [L413] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L414] SORT_1 var_119_arg_0 = var_31; [L415] SORT_1 var_119_arg_1 = var_118; [L416] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L417] SORT_1 var_122_arg_0 = var_119; [L418] SORT_1 var_122 = ~var_122_arg_0; [L419] SORT_1 var_123_arg_0 = var_32; [L420] SORT_1 var_123_arg_1 = var_122; [L421] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L422] var_123 = var_123 & mask_SORT_1 [L423] SORT_1 bad_124_arg_0 = var_123; [L424] CALL __VERIFIER_assert(!(bad_124_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, 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=11occurred 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, 2.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 [2022-11-25 17:44:20,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16d0a229e446ebb3f7632dc27a51dec3b716b02668fde06be2a0b6ed60024488 --- 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-38b53e6 [2022-11-25 17:44:23,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:44:23,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:44:23,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:44:23,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:44:23,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:44:23,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:44:23,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:44:23,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:44:23,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:44:23,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:44:23,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:44:23,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:44:23,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:44:23,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:44:23,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:44:23,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:44:23,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:44:23,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:44:23,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:44:23,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:44:23,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:44:24,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:44:24,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:44:24,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:44:24,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:44:24,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:44:24,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:44:24,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:44:24,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:44:24,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:44:24,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:44:24,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:44:24,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:44:24,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:44:24,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:44:24,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:44:24,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:44:24,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:44:24,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:44:24,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:44:24,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:44:24,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:44:24,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:44:24,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:44:24,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:44:24,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:44:24,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:44:24,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:44:24,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:44:24,097 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:44:24,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:44:24,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:44:24,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:44:24,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:44:24,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:44:24,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:44:24,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:44:24,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:44:24,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:44:24,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:44:24,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:44:24,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:44:24,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:44:24,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:44:24,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:44:24,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:44:24,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:44:24,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:44:24,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:44:24,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:44:24,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:44:24,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:44:24,105 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:44:24,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:44:24,105 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:44:24,106 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d0a229e446ebb3f7632dc27a51dec3b716b02668fde06be2a0b6ed60024488 [2022-11-25 17:44:24,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:44:24,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:44:24,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:44:24,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:44:24,627 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:44:24,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:44:28,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:44:28,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:44:28,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:44:28,517 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/c6efaaad0/81a6030554aa44e1a17ae77a71a1abfd/FLAG2a5b3c528 [2022-11-25 17:44:28,615 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/data/c6efaaad0/81a6030554aa44e1a17ae77a71a1abfd [2022-11-25 17:44:28,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:44:28,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:44:28,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:44:28,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:44:28,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:44:28,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:44:28" (1/1) ... [2022-11-25 17:44:28,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd88bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:28, skipping insertion in model container [2022-11-25 17:44:28,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:44:28" (1/1) ... [2022-11-25 17:44:28,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:44:28,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:44:29,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1107,1120] [2022-11-25 17:44:29,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:44:29,450 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:44:29,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1107,1120] [2022-11-25 17:44:29,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:44:29,654 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:44:29,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29 WrapperNode [2022-11-25 17:44:29,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:44:29,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:44:29,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:44:29,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:44:29,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,865 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1958 [2022-11-25 17:44:29,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:44:29,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:44:29,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:44:29,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:44:29,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:44:29,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:44:29,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:44:29,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:44:29,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (1/1) ... [2022-11-25 17:44:29,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:44:30,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:44:30,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:44:30,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:44:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:44:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:44:30,819 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:44:30,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:44:34,023 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:44:34,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:44:34,032 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:44:34,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:34 BoogieIcfgContainer [2022-11-25 17:44:34,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:44:34,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:44:34,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:44:34,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:44:34,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:44:28" (1/3) ... [2022-11-25 17:44:34,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fc2a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:44:34, skipping insertion in model container [2022-11-25 17:44:34,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:44:29" (2/3) ... [2022-11-25 17:44:34,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fc2a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:44:34, skipping insertion in model container [2022-11-25 17:44:34,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:34" (3/3) ... [2022-11-25 17:44:34,050 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2022-11-25 17:44:34,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:44:34,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:44:34,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:44:34,156 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@96b9fcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:44:34,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:44:34,161 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) [2022-11-25 17:44:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:44:34,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:34,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:44:34,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:34,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:34,178 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:44:34,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:44:34,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468505353] [2022-11-25 17:44:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:34,197 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 [2022-11-25 17:44:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:44:34,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:44:34,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:44:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:34,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-25 17:44:35,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:44:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:44:35,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:44:35,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:44:35,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468505353] [2022-11-25 17:44:35,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468505353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:44:35,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:44:35,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:44:35,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891213970] [2022-11-25 17:44:35,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:44:35,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:44:35,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:44:35,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:44:35,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:44:35,687 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) [2022-11-25 17:44:36,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:44:36,091 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 17:44:36,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:44:36,095 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 [2022-11-25 17:44:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:44:36,104 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:44:36,104 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 17:44:36,107 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 [2022-11-25 17:44:36,112 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:44:36,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:44:36,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 17:44:36,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 17:44:36,150 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) [2022-11-25 17:44:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 17:44:36,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 17:44:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:44:36,153 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 17:44:36,153 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) [2022-11-25 17:44:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 17:44:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:44:36,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:36,155 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 17:44:36,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:44:36,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:44:36,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:36,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 17:44:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:44:36,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208440044] [2022-11-25 17:44:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:36,378 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 [2022-11-25 17:44:36,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:44:36,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:44:36,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:44:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:37,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 2042 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-25 17:44:37,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:44:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:44:38,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:44:45,331 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 227 DAG size of output: 166 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:44:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:44:46,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:44:46,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208440044] [2022-11-25 17:44:46,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208440044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:44:46,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:44:46,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 17:44:46,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805546752] [2022-11-25 17:44:46,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:44:46,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:44:46,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:44:46,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:44:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:44:46,131 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 17:44:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:44:47,338 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 17:44:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:44:47,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 17:44:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:44:47,341 INFO L225 Difference]: With dead ends: 16 [2022-11-25 17:44:47,342 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:44:47,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:44:47,351 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:44:47,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 21 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:44:47,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:44:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 17:44:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:44:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 17:44:47,369 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 17:44:47,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:44:47,370 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 17:44:47,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 17:44:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 17:44:47,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:44:47,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:47,374 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 17:44:47,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:44:47,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:44:47,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 17:44:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:44:47,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942596396] [2022-11-25 17:44:47,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:44:47,604 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 [2022-11-25 17:44:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:44:47,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:44:47,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 (4)] Waiting until timeout for monitored process [2022-11-25 17:44:49,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:44:49,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:44:49,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 3738 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-25 17:44:49,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:44:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:44:50,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:45:18,859 WARN L233 SmtUtils]: Spent 27.78s on a formula simplification. DAG size of input: 235 DAG size of output: 176 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:46:24,595 WARN L233 SmtUtils]: Spent 58.78s on a formula simplification. DAG size of input: 339 DAG size of output: 267 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:46:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:25,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:46:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942596396] [2022-11-25 17:46:25,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942596396] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:46:25,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:46:25,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 17:46:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873375822] [2022-11-25 17:46:25,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:46:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:46:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:46:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:46:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-25 17:46:25,006 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:26,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:26,626 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-25 17:46:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:46:26,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 17:46:26,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:26,628 INFO L225 Difference]: With dead ends: 19 [2022-11-25 17:46:26,628 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:46:26,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 92.3s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2022-11-25 17:46:26,630 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:26,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 21 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:46:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:46:26,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 17:46:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-25 17:46:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-25 17:46:26,636 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-25 17:46:26,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:26,636 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-25 17:46:26,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-25 17:46:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:46:26,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:26,638 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-25 17:46:26,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:46:26,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:46:26,839 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:26,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:26,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-25 17:46:26,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:46:26,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850078824] [2022-11-25 17:46:26,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:46:26,844 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 [2022-11-25 17:46:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:46:26,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:46:26,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 17:46:29,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:46:29,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:46:29,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-25 17:46:29,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:46:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:29,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:46:41,134 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 227 DAG size of output: 166 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:47:23,864 WARN L233 SmtUtils]: Spent 37.69s on a formula simplification. DAG size of input: 328 DAG size of output: 181 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:47:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:47:29,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:47:29,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850078824] [2022-11-25 17:47:29,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850078824] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:47:29,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:47:29,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-25 17:47:29,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48277946] [2022-11-25 17:47:29,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:47:29,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:47:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:47:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:47:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2022-11-25 17:47:29,088 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-25 17:47:33,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:33,169 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 17:47:33,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:47:33,185 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 14 [2022-11-25 17:47:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:33,185 INFO L225 Difference]: With dead ends: 18 [2022-11-25 17:47:33,186 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:47:33,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 57.0s TimeCoverageRelationStatistics Valid=80, Invalid=191, Unknown=1, NotChecked=0, Total=272 [2022-11-25 17:47:33,187 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:33,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 17:47:33,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:47:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:47:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:47:33,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-25 17:47:33,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:33,190 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:47:33,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-25 17:47:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:47:33,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:47:33,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:47:33,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:33,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:47:33,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:47:34,292 INFO L895 garLoopResultBuilder]: At program point L1953(lines 22 1954) the Hoare annotation is: false [2022-11-25 17:47:34,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:47:34,293 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 1952) the Hoare annotation is: (let ((.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_380_arg_1~0#1_9| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_380_arg_1~0#1_9|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_131~0#1|))))))) .cse13)) (_ bv0 8))))) (.cse6 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_main_~var_5~0#1| (_ bv1 32))) (.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~var_10~0#1|)) (.cse2 (= |ULTIMATE.start_main_~var_4~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 8) |ULTIMATE.start_main_~state_98~0#1|)) (.cse7 (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_72~0#1|)))) .cse13)) (_ bv0 8)))) (.cse8 (= |ULTIMATE.start_main_~state_176~0#1| (_ bv0 8))) (.cse9 (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_34~0#1|)))) .cse13)) (_ bv0 8)))) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~var_10~0#1|)) (.cse10 (= (_ bv0 8) |ULTIMATE.start_main_~state_141~0#1|)) (.cse11 (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_33~0#1|)))))))) .cse13)) (_ bv0 8))))) (or (and (= |ULTIMATE.start_main_~var_33~0#1| (_ bv0 8)) (= (_ bv2 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 (= |ULTIMATE.start_main_~var_33~0#1| |ULTIMATE.start_main_~state_141~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_72~0#1|) (= |ULTIMATE.start_main_~mask_SORT_6~0#1| (_ bv3 8)) (= |ULTIMATE.start_main_~state_98~0#1| |ULTIMATE.start_main_~state_42~0#1|) .cse1 (= |ULTIMATE.start_main_~var_33~0#1| |ULTIMATE.start_main_~state_176~0#1|) .cse2 .cse3 (= (_ bv0 8) |ULTIMATE.start_main_~state_34~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_131~0#1|) .cse4 (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~state_17~0#1|)) (and .cse0 .cse5 .cse6 (= (_ bv0 8) |ULTIMATE.start_main_~state_17~0#1|) .cse1 (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) .cse2 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11 (forall ((|ULTIMATE.start_main_~mask_SORT_6~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_42~0#1|))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|)))) .cse12))) (forall ((|ULTIMATE.start_main_~mask_SORT_6~0#1| (_ BitVec 8))) (not (= .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_98~0#1|))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|)))))))) (and .cse0 .cse5 (forall ((|ULTIMATE.start_main_~mask_SORT_6~0#1| (_ BitVec 8))) (not (= .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|))))))))))) .cse6 .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_6~0#1| (_ BitVec 8))) (not (= .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|))))))) .cse2 .cse3 .cse7 .cse8 .cse9 (= (_ bv0 8) |ULTIMATE.start_main_~state_42~0#1|) .cse4 .cse10 .cse11)))) [2022-11-25 17:47:34,294 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 1952) no Hoare annotation was computed. [2022-11-25 17:47:34,294 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:47:34,294 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:47:34,294 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:47:34,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 17:47:34,295 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 17:47:34,302 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 17:47:34,303 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 17:47:34,313 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-25 17:47:34,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:47:34,333 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,334 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,335 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,335 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,336 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,375 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,376 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,378 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,378 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,379 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:47:34 BoogieIcfgContainer [2022-11-25 17:47:34,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:47:34,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:47:34,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:47:34,383 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:47:34,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:44:34" (3/4) ... [2022-11-25 17:47:34,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:47:34,424 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:47:34,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:47:34,430 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:47:34,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:47:34,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:47:34,665 INFO L158 Benchmark]: Toolchain (without parser) took 186045.23ms. Allocated memory was 65.0MB in the beginning and 364.9MB in the end (delta: 299.9MB). Free memory was 39.4MB in the beginning and 278.4MB in the end (delta: -239.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,666 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:47:34,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.39ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.05ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 41.0MB in the end (delta: -4.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,667 INFO L158 Benchmark]: Boogie Preprocessor took 117.32ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 32.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,668 INFO L158 Benchmark]: RCFGBuilder took 4050.85ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 32.2MB in the beginning and 63.8MB in the end (delta: -31.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,668 INFO L158 Benchmark]: TraceAbstraction took 180343.70ms. Allocated memory was 159.4MB in the beginning and 364.9MB in the end (delta: 205.5MB). Free memory was 62.8MB in the beginning and 303.6MB in the end (delta: -240.8MB). Peak memory consumption was 171.3MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,669 INFO L158 Benchmark]: Witness Printer took 282.48ms. Allocated memory is still 364.9MB. Free memory was 302.5MB in the beginning and 278.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:34,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1032.39ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.05ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 41.0MB in the end (delta: -4.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.32ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 32.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4050.85ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 32.2MB in the beginning and 63.8MB in the end (delta: -31.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * TraceAbstraction took 180343.70ms. Allocated memory was 159.4MB in the beginning and 364.9MB in the end (delta: 205.5MB). Free memory was 62.8MB in the beginning and 303.6MB in the end (delta: -240.8MB). Peak memory consumption was 171.3MB. Max. memory is 16.1GB. * Witness Printer took 282.48ms. Allocated memory is still 364.9MB. Free memory was 302.5MB in the beginning and 278.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 180.2s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 15 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 156.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 284 HoareAnnotationTreeSize, 2 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 325 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 164.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 21 QuantifiedInterpolants, 8205 SizeOfPredicates, 380 NumberOfNonLiveVariables, 11560 ConjunctsInSsa, 360 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 147]: Loop Invariant [2022-11-25 17:47:34,699 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,704 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,706 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,707 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,707 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_380_arg_1~0#1_9,QUANTIFIED] [2022-11-25 17:47:34,708 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] [2022-11-25 17:47:34,708 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~mask_SORT_6~0#1,QUANTIFIED] Derived loop invariant: (((((((((((((((var_33 == 0bv8 && 2bv8 == state_8) && 1bv8 == mask_SORT_1) && var_33 == state_141) && 0bv8 == state_72) && mask_SORT_6 == 3bv8) && state_98 == state_42) && var_5 == 1bv32) && var_33 == state_176) && var_4 == 0bv32) && 0bv8 == state_98) && 0bv8 == state_34) && 0bv8 == state_131) && 1bv8 == var_10) && state_8 == state_17) || ((((((((((((((1bv8 == mask_SORT_1 && (forall v_ULTIMATE.start_main_~var_380_arg_1~0#1_9 : bv8 :: !(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_380_arg_1~0#1_9), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_131))[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8))) && cond == 1bv32) && 0bv8 == state_17) && var_5 == 1bv32) && state_8 == 0bv8) && var_4 == 0bv32) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_72))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) && state_176 == 0bv8) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_34))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) && 1bv8 == var_10) && 0bv8 == state_141) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_33)[7:0])[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) && (forall ULTIMATE.start_main_~mask_SORT_6~0#1 : bv8 :: !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_42)[7:0])[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~mask_SORT_6~0#1))[7:0]) == ~zero_extendFrom8To32(var_10)))) && (forall ULTIMATE.start_main_~mask_SORT_6~0#1 : bv8 :: !(~zero_extendFrom8To32(var_10) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_98)[7:0])[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~mask_SORT_6~0#1))[7:0]))))) || ((((((((((((((1bv8 == mask_SORT_1 && (forall v_ULTIMATE.start_main_~var_380_arg_1~0#1_9 : bv8 :: !(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_380_arg_1~0#1_9), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_131))[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8))) && (forall ULTIMATE.start_main_~mask_SORT_6~0#1 : bv8 :: !(~zero_extendFrom8To32(var_10) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(ULTIMATE.start_main_~mask_SORT_6~0#1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_17)[7:0])[7:0]))[7:0])))) && cond == 1bv32) && var_5 == 1bv32) && (forall ULTIMATE.start_main_~mask_SORT_6~0#1 : bv8 :: !(~zero_extendFrom8To32(var_10) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_8)[7:0])[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~mask_SORT_6~0#1))[7:0])))) && var_4 == 0bv32) && 0bv8 == state_98) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_72))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) && state_176 == 0bv8) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(state_34))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) && 0bv8 == state_42) && 1bv8 == var_10) && 0bv8 == state_141) && !(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_33)[7:0])[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:47:34,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50db7fc0-2265-42f8-a6b5-4e93929c9424/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE