./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8 --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 347032abdcb13191d63b716e25ce8d55c6ba9687c92a24e2ca0f1a12d6742496 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:08:28,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:08:28,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:08:28,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:08:28,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:08:28,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:08:28,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:08:28,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:08:28,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:08:28,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:08:28,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:08:28,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:08:28,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:08:28,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:08:28,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:08:28,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:08:28,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:08:28,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:08:28,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:08:28,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:08:28,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:08:28,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:08:28,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:08:28,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:08:28,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:08:28,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:08:28,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:08:28,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:08:28,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:08:28,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:08:28,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:08:28,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:08:28,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:08:28,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:08:28,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:08:28,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:08:28,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:08:28,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:08:28,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:08:28,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:08:28,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:08:28,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 16:08:28,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:08:28,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:08:28,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:08:28,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:08:28,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:08:28,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:08:28,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:08:28,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:08:28,814 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:08:28,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:08:28,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:08:28,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:08:28,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:08:28,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:08:28,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:08:28,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:08:28,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:08:28,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:08:28,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:08:28,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:08:28,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:08:28,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:08:28,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:08:28,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:08:28,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:08:28,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:08:28,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:08:28,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:08:28,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:08:28,818 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:08:28,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:08:28,818 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:08:28,819 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 347032abdcb13191d63b716e25ce8d55c6ba9687c92a24e2ca0f1a12d6742496 [2022-12-13 16:08:29,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:08:29,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:08:29,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:08:29,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:08:29,048 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:08:29,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:31,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:08:31,874 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:08:31,875 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:31,883 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/c01b3f031/6e9af4ce68f142af891a84ad78745060/FLAGa24f40288 [2022-12-13 16:08:31,893 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/c01b3f031/6e9af4ce68f142af891a84ad78745060 [2022-12-13 16:08:31,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:08:31,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:08:31,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:31,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:08:31,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:08:31,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:31" (1/1) ... [2022-12-13 16:08:31,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1434a5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:31, skipping insertion in model container [2022-12-13 16:08:31,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:31" (1/1) ... [2022-12-13 16:08:31,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:08:31,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:08:32,030 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c[1107,1120] [2022-12-13 16:08:32,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:32,115 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:08:32,123 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c[1107,1120] [2022-12-13 16:08:32,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:32,180 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:08:32,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32 WrapperNode [2022-12-13 16:08:32,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:32,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:32,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:08:32,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:08:32,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,224 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 534 [2022-12-13 16:08:32,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:32,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:08:32,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:08:32,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:08:32,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,251 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:08:32,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:08:32,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:08:32,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:08:32,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (1/1) ... [2022-12-13 16:08:32,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:08:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:32,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:32,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:08:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:08:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:08:32,445 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:08:32,446 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:08:35,954 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:08:35,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:08:35,959 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:08:35,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:35 BoogieIcfgContainer [2022-12-13 16:08:35,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:08:35,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:08:35,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:08:35,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:08:35,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:08:31" (1/3) ... [2022-12-13 16:08:35,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c689b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:08:35, skipping insertion in model container [2022-12-13 16:08:35,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:32" (2/3) ... [2022-12-13 16:08:35,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c689b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:08:35, skipping insertion in model container [2022-12-13 16:08:35,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:35" (3/3) ... [2022-12-13 16:08:35,967 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:35,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:08:35,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:08:36,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:08:36,018 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;@2798a4dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:08:36,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:08:36,020 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) [2022-12-13 16:08:36,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 16:08:36,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:08:36,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 16:08:36,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:08:36,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 16:08:36,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:08:36,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935184220] [2022-12-13 16:08:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:08:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:36,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:08:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:08:36,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:08:36,194 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:08:36,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 16:08:36,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:08:36,199 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:08:36,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:08:36,214 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 16:08:36,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:08:36 BoogieIcfgContainer [2022-12-13 16:08:36,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:08:36,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:08:36,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:08:36,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:08:36,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:35" (3/4) ... [2022-12-13 16:08:36,222 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:08:36,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:08:36,223 INFO L158 Benchmark]: Toolchain (without parser) took 4327.02ms. Allocated memory was 127.9MB in the beginning and 394.3MB in the end (delta: 266.3MB). Free memory was 97.4MB in the beginning and 347.4MB in the end (delta: -250.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,224 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 103.8MB in the beginning and 103.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:36,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.19ms. Allocated memory is still 127.9MB. Free memory was 97.4MB in the beginning and 74.9MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 68.6MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,225 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 65.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,226 INFO L158 Benchmark]: RCFGBuilder took 3703.28ms. Allocated memory was 127.9MB in the beginning and 327.2MB in the end (delta: 199.2MB). Free memory was 64.7MB in the beginning and 111.2MB in the end (delta: -46.5MB). Peak memory consumption was 171.6MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,227 INFO L158 Benchmark]: TraceAbstraction took 256.69ms. Allocated memory was 327.2MB in the beginning and 394.3MB in the end (delta: 67.1MB). Free memory was 110.1MB in the beginning and 347.4MB in the end (delta: -237.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:08:36,228 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 394.3MB. Free memory was 347.4MB in the beginning and 347.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:08:36,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 103.8MB in the beginning and 103.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.19ms. Allocated memory is still 127.9MB. Free memory was 97.4MB in the beginning and 74.9MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 68.6MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 65.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3703.28ms. Allocated memory was 127.9MB in the beginning and 327.2MB in the end (delta: 199.2MB). Free memory was 64.7MB in the beginning and 111.2MB in the end (delta: -46.5MB). Peak memory consumption was 171.6MB. Max. memory is 16.1GB. * TraceAbstraction took 256.69ms. Allocated memory was 327.2MB in the beginning and 394.3MB in the end (delta: 67.1MB). Free memory was 110.1MB in the beginning and 347.4MB in the end (delta: -237.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 394.3MB. Free memory was 347.4MB in the beginning and 347.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 92, overapproximation of bitwiseAnd at line 82. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_5 var_7 = 0; [L32] const SORT_5 var_13 = 1; [L33] const SORT_1 var_33 = 0; [L34] const SORT_1 var_42 = 4; [L35] const SORT_1 var_54 = 5; [L36] const SORT_1 var_193 = 3; [L37] const SORT_1 var_199 = 2; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L41] SORT_1 input_4; [L42] SORT_5 input_6; [L43] SORT_1 input_38; [L45] SORT_5 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L46] SORT_5 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L48] SORT_5 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L49] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_5 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_5 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_5 init_9_arg_1 = var_7; [L58] state_8 = init_9_arg_1 [L59] SORT_5 init_18_arg_1 = var_13; [L60] state_17 = init_18_arg_1 [L61] SORT_5 init_20_arg_1 = var_7; [L62] state_19 = init_20_arg_1 [L63] SORT_5 init_22_arg_1 = var_7; [L64] state_21 = init_22_arg_1 [L65] SORT_5 init_24_arg_1 = var_7; [L66] state_23 = init_24_arg_1 [L67] SORT_5 init_26_arg_1 = var_7; [L68] state_25 = init_26_arg_1 [L69] SORT_5 init_28_arg_1 = var_7; [L70] state_27 = init_28_arg_1 [L71] SORT_5 init_30_arg_1 = var_7; [L72] state_29 = init_30_arg_1 [L73] SORT_5 init_32_arg_1 = var_13; [L74] state_31 = init_32_arg_1 [L75] SORT_1 init_35_arg_1 = var_33; [L76] state_34 = init_35_arg_1 [L77] SORT_1 init_37_arg_1 = var_33; [L78] state_36 = init_37_arg_1 VAL [init_18_arg_1=1, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=1, init_35_arg_1=0, init_37_arg_1=0, init_9_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_17=1, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=1, state_34=0, state_36=0, state_8=0, var_13=1, var_193=3, var_199=2, var_33=0, var_42=4, var_54=5, var_7=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_2 = input_2 & mask_SORT_1 [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_3 = input_3 & mask_SORT_1 [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_4 = input_4 & mask_SORT_1 [L87] input_6 = __VERIFIER_nondet_uchar() [L88] input_38 = __VERIFIER_nondet_uchar() [L91] SORT_5 var_10_arg_0 = state_8; [L92] SORT_5 var_10 = ~var_10_arg_0; [L93] SORT_5 var_14_arg_0 = var_10; [L94] SORT_5 var_14 = ~var_14_arg_0; [L95] SORT_5 var_15_arg_0 = var_13; [L96] SORT_5 var_15_arg_1 = var_14; [L97] SORT_5 var_15 = var_15_arg_0 & var_15_arg_1; [L98] var_15 = var_15 & mask_SORT_5 [L99] SORT_5 bad_16_arg_0 = var_15; [L100] CALL __VERIFIER_assert(!(bad_16_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: 0.2s, 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, 0.1s 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 [2022-12-13 16:08:36,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8 --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 347032abdcb13191d63b716e25ce8d55c6ba9687c92a24e2ca0f1a12d6742496 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:08:37,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:08:37,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:08:37,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:08:37,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:08:37,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:08:37,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:08:37,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:08:37,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:08:37,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:08:37,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:08:37,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:08:37,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:08:37,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:08:37,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:08:37,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:08:37,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:08:37,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:08:37,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:08:37,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:08:37,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:08:37,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:08:37,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:08:37,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:08:37,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:08:37,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:08:37,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:08:37,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:08:37,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:08:37,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:08:37,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:08:37,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:08:37,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:08:37,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:08:37,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:08:37,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:08:37,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:08:37,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:08:37,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:08:37,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:08:37,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:08:37,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 16:08:38,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:08:38,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:08:38,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:08:38,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:08:38,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:08:38,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:08:38,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:08:38,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:08:38,008 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:08:38,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:08:38,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:08:38,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:08:38,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:08:38,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:08:38,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:08:38,011 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:08:38,012 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 347032abdcb13191d63b716e25ce8d55c6ba9687c92a24e2ca0f1a12d6742496 [2022-12-13 16:08:38,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:08:38,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:08:38,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:08:38,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:08:38,267 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:08:38,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:40,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:08:41,001 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:08:41,002 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:41,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/a3490b049/643d410f51e145d0acc071834cb92ee3/FLAGfdc7978d2 [2022-12-13 16:08:41,024 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/data/a3490b049/643d410f51e145d0acc071834cb92ee3 [2022-12-13 16:08:41,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:08:41,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:08:41,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:41,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:08:41,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:08:41,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c41d3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41, skipping insertion in model container [2022-12-13 16:08:41,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:08:41,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:08:41,214 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c[1107,1120] [2022-12-13 16:08:41,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:41,329 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:08:41,339 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_e3596ab2-a45d-4cb4-956c-4d9adc601468/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex.c[1107,1120] [2022-12-13 16:08:41,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:08:41,402 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:08:41,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41 WrapperNode [2022-12-13 16:08:41,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:08:41,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:41,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:08:41,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:08:41,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,443 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 534 [2022-12-13 16:08:41,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:08:41,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:08:41,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:08:41,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:08:41,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,468 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:08:41,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:08:41,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:08:41,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:08:41,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (1/1) ... [2022-12-13 16:08:41,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:08:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:08:41,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:08:41,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:08:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:08:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:08:41,675 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:08:41,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:08:42,063 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:08:42,069 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:08:42,070 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:08:42,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:42 BoogieIcfgContainer [2022-12-13 16:08:42,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:08:42,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:08:42,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:08:42,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:08:42,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:08:41" (1/3) ... [2022-12-13 16:08:42,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654061af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:08:42, skipping insertion in model container [2022-12-13 16:08:42,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:08:41" (2/3) ... [2022-12-13 16:08:42,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654061af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:08:42, skipping insertion in model container [2022-12-13 16:08:42,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:08:42" (3/3) ... [2022-12-13 16:08:42,080 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_sym_ex.c [2022-12-13 16:08:42,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:08:42,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:08:42,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:08:42,150 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;@4f54403, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:08:42,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:08:42,155 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) [2022-12-13 16:08:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 16:08:42,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:08:42,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 16:08:42,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:08:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 16:08:42,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:08:42,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183923393] [2022-12-13 16:08:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:42,175 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 [2022-12-13 16:08:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:08:42,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:08:42,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:42,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 16:08:42,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:42,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:08:42,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:08:42,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183923393] [2022-12-13 16:08:42,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183923393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:08:42,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:08:42,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:08:42,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965408162] [2022-12-13 16:08:42,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:08:42,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:08:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:08:42,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:08:42,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:08:42,421 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) [2022-12-13 16:08:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:08:42,497 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 16:08:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:08:42,499 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 [2022-12-13 16:08:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:08:42,504 INFO L225 Difference]: With dead ends: 20 [2022-12-13 16:08:42,504 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 16:08:42,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:08:42,508 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:08:42,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:08:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 16:08:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 16:08:42,529 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) [2022-12-13 16:08:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 16:08:42,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 16:08:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:08:42,531 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 16:08:42,531 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) [2022-12-13 16:08:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 16:08:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 16:08:42,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:08:42,531 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 16:08:42,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:42,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:42,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:08:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 16:08:42,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:08:42,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280028460] [2022-12-13 16:08:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:08:42,745 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 [2022-12-13 16:08:42,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:08:42,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:08:42,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:08:43,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 16:08:43,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:43,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:08:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:43,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:08:43,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280028460] [2022-12-13 16:08:43,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280028460] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:08:43,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:08:43,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 16:08:43,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942905343] [2022-12-13 16:08:43,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:08:43,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:08:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:08:43,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:08:43,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:08:43,384 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) [2022-12-13 16:08:43,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:08:43,501 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 16:08:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:08:43,501 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 [2022-12-13 16:08:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:08:43,501 INFO L225 Difference]: With dead ends: 16 [2022-12-13 16:08:43,501 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:08:43,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:08:43,502 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:08:43,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:08:43,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:08:43,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-13 16:08:43,505 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) [2022-12-13 16:08:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 16:08:43,505 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-13 16:08:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:08:43,506 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 16:08:43,506 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) [2022-12-13 16:08:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 16:08:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:08:43,506 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:08:43,506 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 16:08:43,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 16:08:43,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:43,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:08:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-13 16:08:43,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:08:43,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013095910] [2022-12-13 16:08:43,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:08:43,710 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 [2022-12-13 16:08:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:08:43,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:08:43,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:44,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:08:44,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:08:44,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 112 conjunts are in the unsatisfiable core [2022-12-13 16:08:44,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:44,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:08:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:45,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:08:45,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013095910] [2022-12-13 16:08:45,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013095910] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:08:45,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:08:45,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 16:08:45,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056534262] [2022-12-13 16:08:45,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:08:45,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 16:08:45,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:08:45,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 16:08:45,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:08:45,086 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) [2022-12-13 16:08:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:08:45,319 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 16:08:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 16:08:45,320 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 [2022-12-13 16:08:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:08:45,320 INFO L225 Difference]: With dead ends: 19 [2022-12-13 16:08:45,320 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 16:08:45,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:08:45,322 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:08:45,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:08:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 16:08:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 16:08:45,326 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) [2022-12-13 16:08:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 16:08:45,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-13 16:08:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:08:45,327 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 16:08:45,327 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) [2022-12-13 16:08:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 16:08:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 16:08:45,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:08:45,328 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 16:08:45,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 16:08:45,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:45,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:08:45,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:08:45,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-13 16:08:45,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:08:45,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492118139] [2022-12-13 16:08:45,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 16:08:45,537 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 [2022-12-13 16:08:45,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:08:45,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:08:45,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:08:45,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 16:08:45,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:08:46,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 215 conjunts are in the unsatisfiable core [2022-12-13 16:08:46,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:08:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:08:53,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:09:15,745 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 397 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:10:28,961 WARN L233 SmtUtils]: Spent 54.90s on a formula simplification. DAG size of input: 634 DAG size of output: 634 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:10:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:10:29,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:10:29,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492118139] [2022-12-13 16:10:29,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492118139] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:10:29,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:10:29,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-12-13 16:10:29,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652895042] [2022-12-13 16:10:29,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:10:29,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 16:10:29,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:10:29,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 16:10:29,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=186, Unknown=13, NotChecked=0, Total=240 [2022-12-13 16:10:29,770 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 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) [2022-12-13 16:10:41,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:10:43,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:10:53,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:11:10,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:11:12,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:11:12,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:11:12,621 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-12-13 16:11:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:11:12,622 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 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 [2022-12-13 16:11:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:11:12,622 INFO L225 Difference]: With dead ends: 22 [2022-12-13 16:11:12,622 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 16:11:12,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 132.0s TimeCoverageRelationStatistics Valid=131, Invalid=353, Unknown=22, NotChecked=0, Total=506 [2022-12-13 16:11:12,624 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:11:12,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 40 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 11.2s Time] [2022-12-13 16:11:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 16:11:12,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-12-13 16:11:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:11:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-13 16:11:12,629 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-12-13 16:11:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:11:12,630 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-13 16:11:12,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 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) [2022-12-13 16:11:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-13 16:11:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 16:11:12,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:11:12,630 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-12-13 16:11:12,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:11:12,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:11:12,832 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:11:12,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:11:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 4 times [2022-12-13 16:11:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:11:12,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494572874] [2022-12-13 16:11:12,838 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 16:11:12,839 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 [2022-12-13 16:11:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:11:12,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:11:12,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 16:11:13,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 16:11:13,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:11:13,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1845 conjuncts, 382 conjunts are in the unsatisfiable core [2022-12-13 16:11:13,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:11:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:11:15,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:11:29,669 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification. DAG size of input: 334 DAG size of output: 260 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:14:39,186 WARN L233 SmtUtils]: Spent 3.05m on a formula simplification. DAG size of input: 744 DAG size of output: 376 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:14:48,080 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse56 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|)) (.cse52 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_21~0#1|)) (.cse53 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_25~0#1|)) (.cse44 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse45 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse51 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_8~0#1|)) (.cse31 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse58 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_19~0#1|)) (.cse57 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|)) (.cse59 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_7~0#1|))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse59)))) (.cse50 ((_ zero_extend 24) ((_ extract 7 0) .cse57))) (.cse48 ((_ zero_extend 24) ((_ extract 7 0) .cse58))) (.cse55 ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse59)) .cse31))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_42~0#1|)) (.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse34 (forall ((|v_ULTIMATE.start_main_~var_65_arg_2~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_14|))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_65_arg_2~0#1_14|))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_14|))))))))))))))))))))))) .cse31)) (_ bv0 8)))) (.cse36 (forall ((|v_ULTIMATE.start_main_~var_146_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_116_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_131_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_176_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_161_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_101_arg_1~0#1_16| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_176_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_146_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse58))) .cse56))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse52))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse53)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse44)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse45)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse51)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_101_arg_1~0#1_16|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_116_arg_1~0#1_17|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_131_arg_1~0#1_17|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_161_arg_1~0#1_17|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_17|)))))) (_ bv0 8)))))) (let ((.cse24 (= |c_ULTIMATE.start_main_~state_31~0#1| (_ bv0 8))) (.cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_193~0#1|)))))))))))) (.cse15 (or .cse34 .cse36)) (.cse42 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_196_arg_1~0#1_13| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_14|))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_13|))))))))))))))) (.cse23 (= (_ bv0 8) .cse55)) (.cse17 (forall ((|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_16|)))) .cse53))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_16|)))) .cse51)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_14|))))))))) (_ bv0 32))))))))))))))))) (_ bv0 8)))) (.cse28 (forall ((|v_ULTIMATE.start_main_~var_46_arg_2~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_12|)))))))))))) .cse31)) (_ bv0 8)))) (.cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse55)))) .cse32))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse56)) .cse31))))))))) (.cse43 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_16|)))))))) (_ bv0 8)))) (.cse12 (forall ((|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_16|)))) .cse53))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_16|)))) .cse51)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_14|))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_0~0#1_12|) (_ bv1 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|)))) .cse31)) (_ bv0 8)))) (.cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_34~0#1|)))))))))))))))) (.cse2 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_19~0#1|))) (let ((.cse3 (not .cse2)) (.cse20 (or .cse43 .cse12 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_14| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_14|))))))))) .cse21))))))))))) (.cse16 (or .cse28 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_146_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_161_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_176_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_116_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_131_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_16| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_176_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_131_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_16|)))) .cse53))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse54 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_16|)))) .cse51))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_15|)))))) .cse31))))))))) (_ bv255 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_16|)))) .cse45))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse54 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_15|))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_116_arg_0~0#1_13|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_146_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_161_arg_1~0#1_15|)))))))))) .cse31)) (_ bv0 8)))))) (.cse18 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_16| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_16|)))))))) (_ bv0 8))))) (.cse5 (or .cse43 .cse17)) (.cse6 (or .cse28 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_146_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_161_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_176_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_116_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_131_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_16| (_ BitVec 8))) (let ((.cse49 ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_16|)))))))))) (or (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_116_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_16|)))) .cse53))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_16|)))) .cse45))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_15|)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_15|)))))) .cse31))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse49))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|)))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_16|)))) .cse51)))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_131_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_146_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_161_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_176_arg_1~0#1_15|))))))) .cse31)) (_ bv0 8))) (= .cse49 (_ bv0 8))))))) (.cse7 (or (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_196_arg_1~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_14|))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_15|)))))))))))))))))))))))) .cse43 .cse12)) (.cse8 (or .cse34 .cse43 .cse36)) (.cse19 (or .cse42 .cse43 .cse12 .cse23)) (.cse1 (let ((.cse37 (forall ((|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_59_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_65_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_52_arg_2~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_65_arg_2~0#1_15|))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_15|)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_52_arg_2~0#1_15|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_59_arg_2~0#1_15|)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_14|))))))))) (_ bv0 32)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|)))))) (_ bv0 8)))) (.cse35 (forall ((|v_ULTIMATE.start_main_~var_57_arg_2~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_57_arg_2~0#1_15|))))) (_ bv0 8)))) (.cse38 (forall ((|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_59_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_65_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_52_arg_2~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_0~0#1_12|) (_ bv1 32)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_65_arg_2~0#1_15|))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_15|)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_52_arg_2~0#1_15|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_59_arg_2~0#1_15|)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_14|)))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_15|)))))) (_ bv0 8)))) (.cse41 (forall ((|v_ULTIMATE.start_main_~var_48_arg_2~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_2~0#1_15|))))) .cse31)) (_ bv0 8))))) (and (or .cse28 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_59_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_65_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_146_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_161_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_57_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_176_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_116_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_131_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_52_arg_2~0#1_15| (_ BitVec 8))) (let ((.cse33 ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_57_arg_2~0#1_15|))))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_176_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_131_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_65_arg_2~0#1_15|))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_2~0#1_15|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_52_arg_2~0#1_15|))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_15|)))))) .cse31)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_2~0#1_15|))) .cse31))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_2~0#1_15|))))) .cse31)))))) .cse32))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse33))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|) .cse30))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_59_arg_2~0#1_15|)))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_15|))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_116_arg_0~0#1_13|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_146_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_161_arg_1~0#1_15|)))))))))) .cse31)))) (= .cse33 (_ bv0 8)))))) (or .cse34 .cse35 .cse36) (or .cse35 .cse37) (or .cse35 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_197_arg_2~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_197_arg_2~0#1_15|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_14|)))))))))))))))))) .cse38) (or (and (or (forall ((|v_ULTIMATE.start_main_~var_205_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_197_arg_2~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_2~0#1_15|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_197_arg_2~0#1_15|)))))))))))))))))))))) .cse38) (or .cse28 (forall ((|v_ULTIMATE.start_main_~var_56_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_63_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_59_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_65_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_146_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_161_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_176_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_116_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_46_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_131_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_44_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_69_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_52_arg_2~0#1_15| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_176_arg_1~0#1_15|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_116_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_65_arg_2~0#1_15|))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_52_arg_2~0#1_15|))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse39 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_1~0#1_15|)))))) .cse31)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_2~0#1_15|))) .cse31))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_2~0#1_15|))))) .cse31)))))) .cse32))))))))) (_ bv255 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_63_arg_1~0#1_15|) .cse39))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_59_arg_2~0#1_15|))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_69_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_2~0#1_15|)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_44_arg_1~0#1_15|)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_46_arg_2~0#1_15|)))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_131_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_146_arg_1~0#1_15|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_161_arg_1~0#1_15|)))))))))))) (_ bv0 8))))) (or (forall ((|v_ULTIMATE.start_main_~var_205_arg_2~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_196_arg_1~0#1_13| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_2~0#1_15|))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_13|)))))))))))))) .cse38 .cse41) (or .cse38 (forall ((|v_ULTIMATE.start_main_~var_205_arg_2~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_2~0#1_15|))))))))))) .cse22)))))))))) .cse15 .cse37) (forall ((|v_ULTIMATE.start_main_~var_57_arg_2~0#1_15| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse31 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_57_arg_2~0#1_15|))))) (_ bv0 8))))) (or .cse35 .cse42 .cse38 .cse41)))) (.cse4 (not .cse24)) (.cse0 (= |c_ULTIMATE.start_main_~state_23~0#1| (_ bv0 8)))) (and (or (not .cse0) (and (or (and (or .cse1 .cse2) (or .cse1 .cse3)) .cse4) (or (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|))))))))))))))) (let ((.cse13 (or (forall ((|v_ULTIMATE.start_main_~var_196_arg_1~0#1_13| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_13|)))))))))))))) .cse12 .cse23)) (.cse14 (or .cse12 (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse22))))))))))) (and (or (and .cse5 .cse6 .cse7 .cse8 (or (and (or (forall ((|v_ULTIMATE.start_main_~var_196_arg_1~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_15|)))))))))))))))))))))))) .cse12) .cse13 .cse14 .cse15 .cse16 .cse17) .cse18) .cse19) .cse2) (or (and .cse5 .cse6 .cse8 .cse20 (or .cse18 (and (or .cse12 (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse21))))))))) .cse13 .cse14 .cse15 .cse16 .cse17)) .cse19) .cse3)))) .cse24))) (or (let ((.cse25 (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_15|)))))))))))))))) .cse10)))))))) (.cse26 (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_196_arg_1~0#1_13| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_15|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_13|)))))))))))))) .cse23)) (.cse27 (or .cse1 .cse4))) (and (or .cse3 (and (or (and (or (and (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_15|))))))))))))))))))))))) .cse25 .cse15 .cse16 .cse17 .cse26) .cse18) .cse5 .cse6 .cse8 .cse20 .cse19) .cse24) .cse27)) (or (and (or .cse24 (and (or (and (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_204_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_196_arg_1~0#1_15| (_ BitVec 8))) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_204_arg_1~0#1_15|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_196_arg_1~0#1_15|)))))))))))))))))) .cse10))))))) .cse25 .cse15 .cse16 .cse17 .cse26) .cse18) .cse5 .cse6 .cse7 .cse8 .cse19)) .cse27) .cse2))) .cse0)))))) is different from false [2022-12-13 16:14:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-12-13 16:14:51,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:14:51,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494572874] [2022-12-13 16:14:51,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494572874] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:14:51,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:14:51,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 16:14:51,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166532819] [2022-12-13 16:14:51,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:14:51,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:14:51,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:14:51,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:14:51,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=109, Unknown=2, NotChecked=22, Total=182 [2022-12-13 16:14:51,812 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:15:35,082 WARN L233 SmtUtils]: Spent 37.92s on a formula simplification. DAG size of input: 995 DAG size of output: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:15:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:15:35,615 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-12-13 16:15:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 16:15:35,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-13 16:15:35,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:15:35,616 INFO L225 Difference]: With dead ends: 25 [2022-12-13 16:15:35,616 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 16:15:35,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 245.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=4, NotChecked=32, Total=342 [2022-12-13 16:15:35,616 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:15:35,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 16 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 7 Unchecked, 0.3s Time] [2022-12-13 16:15:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 16:15:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-12-13 16:15:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:15:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-12-13 16:15:35,623 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2022-12-13 16:15:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:15:35,623 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-12-13 16:15:35,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:15:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-12-13 16:15:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 16:15:35,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:15:35,624 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-12-13 16:15:35,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 16:15:35,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:15:35,825 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:15:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:15:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 5 times [2022-12-13 16:15:35,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:15:35,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612872388] [2022-12-13 16:15:35,831 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 16:15:35,832 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 [2022-12-13 16:15:35,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:15:35,835 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:15:35,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 (7)] Waiting until timeout for monitored process [2022-12-13 16:15:36,401 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-12-13 16:15:36,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:15:36,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 339 conjunts are in the unsatisfiable core [2022-12-13 16:15:36,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:15:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:15:38,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:15:48,645 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 241 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:15:55,358 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 245 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:16:10,788 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 255 DAG size of output: 251 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:17:16,317 WARN L233 SmtUtils]: Spent 53.52s on a formula simplification. DAG size of input: 517 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:17:35,344 WARN L233 SmtUtils]: Spent 16.67s on a formula simplification that was a NOOP. DAG size: 342 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:18:14,101 WARN L233 SmtUtils]: Spent 22.15s on a formula simplification that was a NOOP. DAG size: 350 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:19:52,020 WARN L233 SmtUtils]: Spent 1.24m on a formula simplification. DAG size of input: 773 DAG size of output: 618 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:19:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:19:52,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:19:52,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612872388] [2022-12-13 16:19:52,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612872388] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:19:52,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:19:52,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-12-13 16:19:52,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141095195] [2022-12-13 16:19:52,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:19:52,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 16:19:52,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:19:52,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 16:19:52,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=603, Unknown=29, NotChecked=0, Total=756 [2022-12-13 16:19:52,372 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:20:47,341 WARN L233 SmtUtils]: Spent 50.84s on a formula simplification. DAG size of input: 490 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:20:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:20:47,343 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-12-13 16:20:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:20:47,343 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 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 20 [2022-12-13 16:20:47,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:20:47,343 INFO L225 Difference]: With dead ends: 28 [2022-12-13 16:20:47,343 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 16:20:47,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 303.6s TimeCoverageRelationStatistics Valid=241, Invalid=1061, Unknown=30, NotChecked=0, Total=1332 [2022-12-13 16:20:47,344 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 35 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 16:20:47,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 56 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 16:20:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 16:20:47,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-12-13 16:20:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:20:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 16:20:47,351 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2022-12-13 16:20:47,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:20:47,352 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 16:20:47,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:20:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 16:20:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 16:20:47,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:20:47,352 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1] [2022-12-13 16:20:47,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 (7)] Forceful destruction successful, exit code 0 [2022-12-13 16:20:47,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:20:47,554 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:20:47,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:20:47,555 INFO L85 PathProgramCache]: Analyzing trace with hash 142558665, now seen corresponding path program 6 times [2022-12-13 16:20:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:20:47,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949422766] [2022-12-13 16:20:47,559 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 16:20:47,559 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 [2022-12-13 16:20:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:20:47,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 16:20:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 (8)] Waiting until timeout for monitored process [2022-12-13 16:20:48,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-12-13 16:20:48,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:20:48,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2741 conjuncts, 1340 conjunts are in the unsatisfiable core [2022-12-13 16:20:48,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:21:23,461 WARN L233 SmtUtils]: Spent 21.94s on a formula simplification. DAG size of input: 543 DAG size of output: 528 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:21:40,608 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 16:21:40,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-12-13 16:21:40,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:21:40,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949422766] [2022-12-13 16:21:40,610 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-12-13 16:21:40,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 (8)] Ended with exit code 0 [2022-12-13 16:21:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 16:21:40,812 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:933) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:772) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:346) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:306) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 45 more [2022-12-13 16:21:40,820 INFO L158 Benchmark]: Toolchain (without parser) took 779791.03ms. Allocated memory was 79.7MB in the beginning and 627.0MB in the end (delta: 547.4MB). Free memory was 46.1MB in the beginning and 381.9MB in the end (delta: -335.7MB). Peak memory consumption was 389.5MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,821 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:21:40,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.60ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 45.2MB in the end (delta: 703.5kB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 40.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,823 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 37.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,824 INFO L158 Benchmark]: RCFGBuilder took 597.97ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 68.3MB in the end (delta: -30.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,825 INFO L158 Benchmark]: TraceAbstraction took 778744.61ms. Allocated memory was 96.5MB in the beginning and 627.0MB in the end (delta: 530.6MB). Free memory was 67.7MB in the beginning and 381.9MB in the end (delta: -314.1MB). Peak memory consumption was 394.8MB. Max. memory is 16.1GB. [2022-12-13 16:21:40,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.60ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 45.2MB in the end (delta: 703.5kB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 40.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 37.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.97ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 68.3MB in the end (delta: -30.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 778744.61ms. Allocated memory was 96.5MB in the beginning and 627.0MB in the end (delta: 530.6MB). Free memory was 67.7MB in the beginning and 381.9MB in the end (delta: -314.1MB). Peak memory consumption was 394.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3596ab2-a45d-4cb4-956c-4d9adc601468/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")