./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8 --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 e734a6415ecaa3efaa9cfa8e6fa7e794c71eea5a8e2df3ec7e51a002eff99a9e --- 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-e04fb08 [2022-11-16 11:05:03,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:05:03,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:05:03,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:05:03,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:05:03,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:05:03,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:05:03,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:05:03,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:05:03,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:05:03,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:05:03,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:05:03,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:05:03,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:05:03,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:05:03,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:05:03,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:05:03,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:05:03,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:05:03,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:05:03,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:05:03,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:05:03,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:05:03,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:05:03,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:05:03,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:05:03,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:05:03,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:05:03,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:05:03,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:05:03,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:05:03,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:05:03,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:05:03,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:05:03,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:05:03,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:05:03,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:05:03,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:05:03,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:05:03,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:05:03,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:05:03,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:05:03,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:05:03,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:05:03,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:05:03,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:05:03,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:05:03,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:05:03,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:05:03,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:05:03,159 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:05:03,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:05:03,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:05:03,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:05:03,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:05:03,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:05:03,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:05:03,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:05:03,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:05:03,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:05:03,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:05:03,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:05:03,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:05:03,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:05:03,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:05:03,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:05:03,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:05:03,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:05:03,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:05:03,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:05:03,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:05:03,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:05:03,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e734a6415ecaa3efaa9cfa8e6fa7e794c71eea5a8e2df3ec7e51a002eff99a9e [2022-11-16 11:05:03,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:05:03,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:05:03,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:05:03,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:05:03,548 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:05:03,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2022-11-16 11:05:03,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/e74838e87/6f0742ec4fe54d1b9ca0270c6fe489ea/FLAG1b947cc6a [2022-11-16 11:05:04,232 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:05:04,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2022-11-16 11:05:04,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/e74838e87/6f0742ec4fe54d1b9ca0270c6fe489ea/FLAG1b947cc6a [2022-11-16 11:05:04,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/e74838e87/6f0742ec4fe54d1b9ca0270c6fe489ea [2022-11-16 11:05:04,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:05:04,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:05:04,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:05:04,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:05:04,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:05:04,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:05:04" (1/1) ... [2022-11-16 11:05:04,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252d2ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:04, skipping insertion in model container [2022-11-16 11:05:04,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:05:04" (1/1) ... [2022-11-16 11:05:04,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:05:04,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:05:04,874 WARN L229 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_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1107,1120] [2022-11-16 11:05:04,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:05:04,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:05:04,950 WARN L229 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_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1107,1120] [2022-11-16 11:05:04,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:05:05,004 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:05:05,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05 WrapperNode [2022-11-16 11:05:05,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:05:05,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:05:05,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:05:05,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:05:05,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,067 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 225 [2022-11-16 11:05:05,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:05:05,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:05:05,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:05:05,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:05:05,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:05:05,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:05:05,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:05:05,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:05:05,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (1/1) ... [2022-11-16 11:05:05,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:05:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:05:05,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:05:05,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:05:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:05:05,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:05:05,316 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:05:05,789 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:05:05,797 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:05:05,798 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:05:05,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:05:05 BoogieIcfgContainer [2022-11-16 11:05:05,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:05:05,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:05:05,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:05:05,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:05:05,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:05:04" (1/3) ... [2022-11-16 11:05:05,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27af6e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:05:05, skipping insertion in model container [2022-11-16 11:05:05,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:05" (2/3) ... [2022-11-16 11:05:05,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27af6e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:05:05, skipping insertion in model container [2022-11-16 11:05:05,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:05:05" (3/3) ... [2022-11-16 11:05:05,817 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_segments.c [2022-11-16 11:05:05,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:05:05,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:05:05,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:05:05,914 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;@2189956a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:05:05,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:05:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 40 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:05:05,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:05,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:05:05,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:05,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1894338280, now seen corresponding path program 1 times [2022-11-16 11:05:05,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:05,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691375993] [2022-11-16 11:05:05,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:05,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:05:06,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691375993] [2022-11-16 11:05:06,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691375993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:06,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:06,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:05:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271837094] [2022-11-16 11:05:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:06,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:05:06,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:05:06,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:05:06,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:05:06,858 INFO L87 Difference]: Start difference. First operand has 41 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 40 states have internal predecessors, (63), 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 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:06,977 INFO L93 Difference]: Finished difference Result 130 states and 212 transitions. [2022-11-16 11:05:06,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:05:06,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 11:05:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:06,993 INFO L225 Difference]: With dead ends: 130 [2022-11-16 11:05:06,993 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 11:05:06,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:05:07,003 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 147 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:07,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 208 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:05:07,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 11:05:07,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 39. [2022-11-16 11:05:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 59 transitions. [2022-11-16 11:05:07,047 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 59 transitions. Word has length 19 [2022-11-16 11:05:07,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:07,048 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 59 transitions. [2022-11-16 11:05:07,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-11-16 11:05:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:05:07,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:07,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:05:07,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:05:07,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1403330432, now seen corresponding path program 1 times [2022-11-16 11:05:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:07,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856902028] [2022-11-16 11:05:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:05:07,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:05:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:05:07,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:05:07,373 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:05:07,375 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:05:07,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:05:07,381 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:05:07,385 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:05:07,445 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:05:07,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:05:07 BoogieIcfgContainer [2022-11-16 11:05:07,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:05:07,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:05:07,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:05:07,465 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:05:07,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:05:05" (3/4) ... [2022-11-16 11:05:07,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:05:07,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:05:07,471 INFO L158 Benchmark]: Toolchain (without parser) took 2831.71ms. Allocated memory is still 140.5MB. Free memory was 104.2MB in the beginning and 55.5MB in the end (delta: 48.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,472 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:05:07,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.46ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 113.8MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.74ms. Allocated memory is still 140.5MB. Free memory was 113.8MB in the beginning and 111.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,481 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 140.5MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,481 INFO L158 Benchmark]: RCFGBuilder took 689.24ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 88.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,482 INFO L158 Benchmark]: TraceAbstraction took 1653.71ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 56.7MB in the end (delta: 31.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,483 INFO L158 Benchmark]: Witness Printer took 12.57ms. Allocated memory is still 140.5MB. Free memory was 56.7MB in the beginning and 55.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:05:07,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.46ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 113.8MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.74ms. Allocated memory is still 140.5MB. Free memory was 113.8MB in the beginning and 111.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 140.5MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.24ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 88.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1653.71ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 56.7MB in the end (delta: 31.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Witness Printer took 12.57ms. Allocated memory is still 140.5MB. Free memory was 56.7MB in the beginning and 55.5MB in the end (delta: 1.1MB). 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 bitwiseOr at line 107, overapproximation of bitwiseComplement at line 109, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L31] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L32] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L34] const SORT_52 mask_SORT_52 = (SORT_52)-1 >> (sizeof(SORT_52) * 8 - 2); [L35] const SORT_52 msb_SORT_52 = (SORT_52)1 << (2 - 1); [L37] const SORT_54 mask_SORT_54 = (SORT_54)-1 >> (sizeof(SORT_54) * 8 - 3); [L38] const SORT_54 msb_SORT_54 = (SORT_54)1 << (3 - 1); [L40] const SORT_4 var_5 = 0; [L41] const SORT_8 var_10 = 0; [L42] const SORT_8 var_13 = 1; [L43] const SORT_8 var_17 = 2; [L44] const SORT_8 var_21 = 3; [L45] const SORT_8 var_25 = 4; [L46] const SORT_1 var_30 = 1; [L47] const SORT_4 var_41 = 1; [L48] const SORT_4 var_44 = 4; [L49] const SORT_4 var_45 = 3; [L50] const SORT_4 var_50 = 2; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L55] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L57] SORT_4 init_7_arg_1 = var_5; [L58] state_6 = init_7_arg_1 VAL [init_7_arg_1=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2] [L61] input_2 = __VERIFIER_nondet_uchar() [L62] input_3 = __VERIFIER_nondet_uchar() [L63] input_3 = input_3 & mask_SORT_1 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2] [L66] SORT_4 var_9_arg_0 = state_6; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9_arg_0=0] [L67] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9_arg_0=0] [L68] SORT_8 var_9 = var_9_arg_0; [L69] SORT_8 var_11_arg_0 = var_9; [L70] SORT_8 var_11_arg_1 = var_10; [L71] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L72] SORT_4 var_12_arg_0 = state_6; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12_arg_0=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L73] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12_arg_0=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L74] SORT_8 var_12 = var_12_arg_0; [L75] SORT_8 var_14_arg_0 = var_12; [L76] SORT_8 var_14_arg_1 = var_13; [L77] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L78] SORT_1 var_15_arg_0 = var_11; [L79] SORT_1 var_15_arg_1 = var_14; [L80] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L81] SORT_4 var_16_arg_0 = state_6; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16_arg_0=0, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L82] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16_arg_0=0, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L83] SORT_8 var_16 = var_16_arg_0; [L84] SORT_8 var_18_arg_0 = var_16; [L85] SORT_8 var_18_arg_1 = var_17; [L86] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L87] SORT_1 var_19_arg_0 = var_15; [L88] SORT_1 var_19_arg_1 = var_18; [L89] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L90] SORT_4 var_20_arg_0 = state_6; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20_arg_0=0, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L91] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20_arg_0=0, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L92] SORT_8 var_20 = var_20_arg_0; [L93] SORT_8 var_22_arg_0 = var_20; [L94] SORT_8 var_22_arg_1 = var_21; [L95] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L96] SORT_1 var_23_arg_0 = var_19; [L97] SORT_1 var_23_arg_1 = var_22; [L98] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L99] SORT_4 var_24_arg_0 = state_6; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20=0, var_20_arg_0=0, var_21=3, var_22=0, var_22_arg_0=0, var_22_arg_1=3, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24_arg_0=0, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L100] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20=0, var_20_arg_0=0, var_21=3, var_22=0, var_22_arg_0=0, var_22_arg_1=3, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24_arg_0=0, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L101] SORT_8 var_24 = var_24_arg_0; [L102] SORT_8 var_26_arg_0 = var_24; [L103] SORT_8 var_26_arg_1 = var_25; [L104] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L105] SORT_1 var_27_arg_0 = var_23; [L106] SORT_1 var_27_arg_1 = var_26; [L107] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L108] SORT_1 var_31_arg_0 = var_27; [L109] SORT_1 var_31 = ~var_31_arg_0; [L110] SORT_1 var_32_arg_0 = var_30; [L111] SORT_1 var_32_arg_1 = var_31; [L112] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20=0, var_20_arg_0=0, var_21=3, var_22=0, var_22_arg_0=0, var_22_arg_1=3, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_25=4, var_26=0, var_26_arg_0=0, var_26_arg_1=4, var_27=1, var_27_arg_0=1, var_27_arg_1=0, var_30=1, var_31=2, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=2, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L113] var_32 = var_32 & mask_SORT_1 VAL [init_7_arg_1=0, input_2=1, input_3=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=0, var_12_arg_0=0, var_13=1, var_14=0, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=2, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=1, var_19_arg_0=1, var_19_arg_1=0, var_20=0, var_20_arg_0=0, var_21=3, var_22=0, var_22_arg_0=0, var_22_arg_1=3, var_23=1, var_23_arg_0=1, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_25=4, var_26=0, var_26_arg_0=0, var_26_arg_1=4, var_27=1, var_27_arg_0=1, var_27_arg_1=0, var_30=1, var_31=2, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=2, var_41=1, var_44=4, var_45=3, var_5=0, var_50=2, var_9=0, var_9_arg_0=0] [L114] SORT_1 bad_33_arg_0 = var_32; [L115] CALL __VERIFIER_assert(!(bad_33_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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 90 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:05:07,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8 --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 e734a6415ecaa3efaa9cfa8e6fa7e794c71eea5a8e2df3ec7e51a002eff99a9e --- 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-e04fb08 [2022-11-16 11:05:09,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:05:09,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:05:09,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:05:09,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:05:09,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:05:09,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:05:09,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:05:09,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:05:09,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:05:09,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:05:09,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:05:09,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:05:09,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:05:09,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:05:09,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:05:09,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:05:09,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:05:09,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:05:09,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:05:10,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:05:10,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:05:10,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:05:10,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:05:10,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:05:10,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:05:10,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:05:10,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:05:10,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:05:10,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:05:10,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:05:10,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:05:10,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:05:10,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:05:10,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:05:10,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:05:10,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:05:10,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:05:10,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:05:10,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:05:10,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:05:10,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:05:10,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:05:10,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:05:10,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:05:10,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:05:10,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:05:10,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:05:10,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:05:10,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:05:10,065 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:05:10,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:05:10,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:05:10,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:05:10,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:05:10,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:05:10,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:05:10,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:05:10,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:05:10,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:05:10,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:05:10,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:05:10,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:05:10,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:05:10,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:05:10,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:05:10,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:05:10,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:05:10,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:05:10,070 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:05:10,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:05:10,071 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:05:10,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:05:10,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:05:10,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:05:10,072 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e734a6415ecaa3efaa9cfa8e6fa7e794c71eea5a8e2df3ec7e51a002eff99a9e [2022-11-16 11:05:10,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:05:10,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:05:10,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:05:10,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:05:10,524 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:05:10,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2022-11-16 11:05:10,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/fb0dd39e2/cfdac69d064a498fb79ce0b71b1e047f/FLAG14c54abc2 [2022-11-16 11:05:11,174 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:05:11,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2022-11-16 11:05:11,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/fb0dd39e2/cfdac69d064a498fb79ce0b71b1e047f/FLAG14c54abc2 [2022-11-16 11:05:11,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/data/fb0dd39e2/cfdac69d064a498fb79ce0b71b1e047f [2022-11-16 11:05:11,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:05:11,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:05:11,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:05:11,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:05:11,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:05:11,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391c0de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11, skipping insertion in model container [2022-11-16 11:05:11,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:05:11,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:05:11,714 WARN L229 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_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1107,1120] [2022-11-16 11:05:11,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:05:11,796 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:05:11,825 WARN L229 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_8405172f-f003-43fc-97cd-b16623e1ae42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1107,1120] [2022-11-16 11:05:11,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:05:11,899 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:05:11,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11 WrapperNode [2022-11-16 11:05:11,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:05:11,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:05:11,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:05:11,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:05:11,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,944 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 155 [2022-11-16 11:05:11,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:05:11,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:05:11,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:05:11,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:05:11,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:11,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:05:11,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:05:11,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:05:11,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:05:11,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (1/1) ... [2022-11-16 11:05:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:05:12,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:05:12,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:05:12,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:05:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:05:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:05:12,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:05:12,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:05:12,561 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:05:12,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:05:12,568 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:05:12,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:05:12 BoogieIcfgContainer [2022-11-16 11:05:12,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:05:12,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:05:12,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:05:12,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:05:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:05:11" (1/3) ... [2022-11-16 11:05:12,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a70a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:05:12, skipping insertion in model container [2022-11-16 11:05:12,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:05:11" (2/3) ... [2022-11-16 11:05:12,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a70a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:05:12, skipping insertion in model container [2022-11-16 11:05:12,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:05:12" (3/3) ... [2022-11-16 11:05:12,589 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_segments.c [2022-11-16 11:05:12,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:05:12,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:05:12,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:05:12,692 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;@70bc1ee9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:05:12,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:05:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:05:12,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:12,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:05:12,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:05:12,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:05:12,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957254759] [2022-11-16 11:05:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:12,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:05:12,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:05:12,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:05:12,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:05:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:12,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 11:05:12,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:05:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:13,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:05:13,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:05:13,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957254759] [2022-11-16 11:05:13,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957254759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:13,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:13,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:05:13,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137326537] [2022-11-16 11:05:13,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:13,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:05:13,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:05:13,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:05:13,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:05:13,297 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:13,382 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:05:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:05:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 11:05:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:13,390 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:05:13,390 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:05:13,393 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 [2022-11-16 11:05:13,399 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:13,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:05:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:05:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:05:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:05:13,431 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:05:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:13,432 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:05:13,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:05:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:05:13,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:13,433 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:05:13,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:05:13,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:05:13,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:13,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:13,646 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:05:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:05:13,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746302399] [2022-11-16 11:05:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:05:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:05:13,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:05:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:05:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:13,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-16 11:05:13,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:05:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:14,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:05:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:26,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:05:26,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746302399] [2022-11-16 11:05:26,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746302399] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:05:26,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:05:26,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:05:26,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991502708] [2022-11-16 11:05:26,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:05:26,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:05:26,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:05:26,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:05:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:05:26,863 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:26,995 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:05:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:05:26,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 11:05:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:26,997 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:05:26,997 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:05:26,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:05:26,998 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:26,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 8 Unchecked, 0.1s Time] [2022-11-16 11:05:27,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:05:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:05:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:05:27,005 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:05:27,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:27,006 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:05:27,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:05:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:05:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:05:27,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:27,007 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:05:27,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:05:27,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:05:27,220 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:27,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:27,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:05:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:05:27,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024880169] [2022-11-16 11:05:27,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:05:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:05:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:05:27,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:05:27,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:05:27,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:05:27,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:05:27,419 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 149 conjunts are in the unsatisfiable core [2022-11-16 11:05:27,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:05:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:05:29,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:05:49,598 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 489 DAG size of output: 355 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:06:03,383 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 338 DAG size of output: 312 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:12:53,505 WARN L233 SmtUtils]: Spent 4.89m on a formula simplification. DAG size of input: 2301 DAG size of output: 689 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:13:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:13,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:13:13,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024880169] [2022-11-16 11:13:13,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024880169] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:13:13,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:13:13,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 11:13:13,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207488237] [2022-11-16 11:13:13,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:13:13,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:13:13,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:13:13,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:13:13,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:13:13,301 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:13:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:13,754 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-11-16 11:13:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:13:13,755 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 11:13:13,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:13,755 INFO L225 Difference]: With dead ends: 17 [2022-11-16 11:13:13,756 INFO L226 Difference]: Without dead ends: 15 [2022-11-16 11:13:13,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 309.7s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:13:13,757 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:13,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2022-11-16 11:13:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-16 11:13:13,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 11:13:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:13:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:13:13,764 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:13:13,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:13,765 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:13:13,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:13:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:13:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:13:13,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:13,766 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:13:13,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:13:13,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:13:13,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:13,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:13:13,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:13:13,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279887377] [2022-11-16 11:13:13,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:13:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:13:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:13:13,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:13:13,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8405172f-f003-43fc-97cd-b16623e1ae42/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:13:14,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 11:13:14,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:13:14,162 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 164 conjunts are in the unsatisfiable core [2022-11-16 11:13:14,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:13:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 11:13:20,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:13:39,444 WARN L233 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 394 DAG size of output: 387 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)