./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112587b26a8a60bef67dc0385ac410c4904ba752e01ffbab2b33ce42a4e58bd4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:20:41,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:20:41,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:20:41,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:20:41,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:20:41,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:20:41,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:20:41,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:20:41,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:20:41,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:20:41,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:20:41,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:20:41,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:20:41,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:20:41,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:20:41,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:20:41,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:20:41,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:20:41,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:20:41,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:20:41,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:20:41,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:20:41,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:20:41,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:20:41,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:20:41,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:20:41,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:20:41,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:20:41,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:20:41,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:20:41,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:20:41,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:20:41,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:20:41,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:20:41,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:20:41,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:20:41,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:20:41,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:20:41,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:20:41,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:20:41,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:20:41,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:20:41,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:20:41,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:20:41,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:20:41,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:20:41,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:20:41,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:20:41,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:20:41,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:20:41,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:20:41,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:20:41,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:41,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:20:41,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:20:41,593 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112587b26a8a60bef67dc0385ac410c4904ba752e01ffbab2b33ce42a4e58bd4 [2022-12-13 18:20:41,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:20:41,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:20:41,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:20:41,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:20:41,795 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:20:41,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:44,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:20:44,613 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:20:44,614 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:44,624 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/5cf20681f/0c7b726aaf0445ce8a2cbb7ec84adb47/FLAG4e03bf191 [2022-12-13 18:20:44,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/5cf20681f/0c7b726aaf0445ce8a2cbb7ec84adb47 [2022-12-13 18:20:44,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:20:44,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:20:44,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:44,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:20:44,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:20:44,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:44" (1/1) ... [2022-12-13 18:20:44,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec33b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:44, skipping insertion in model container [2022-12-13 18:20:44,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:44" (1/1) ... [2022-12-13 18:20:44,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:20:44,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:20:44,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1107,1120] [2022-12-13 18:20:44,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:44,961 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:20:44,971 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1107,1120] [2022-12-13 18:20:45,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:45,057 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:20:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45 WrapperNode [2022-12-13 18:20:45,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:45,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:45,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:20:45,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:20:45,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,128 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 631 [2022-12-13 18:20:45,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:45,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:20:45,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:20:45,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:20:45,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:20:45,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:20:45,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:20:45,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:20:45,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (1/1) ... [2022-12-13 18:20:45,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:20:45,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:20:45,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:20:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:20:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:20:45,429 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:20:45,431 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:20:50,329 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:20:50,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:20:50,336 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:20:50,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:50 BoogieIcfgContainer [2022-12-13 18:20:50,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:20:50,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:20:50,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:20:50,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:20:50,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:20:44" (1/3) ... [2022-12-13 18:20:50,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f32315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:50, skipping insertion in model container [2022-12-13 18:20:50,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:45" (2/3) ... [2022-12-13 18:20:50,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f32315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:50, skipping insertion in model container [2022-12-13 18:20:50,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:50" (3/3) ... [2022-12-13 18:20:50,346 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:50,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:20:50,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:20:50,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:20:50,398 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;@5c244baa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:20:50,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:20:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:20:50,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:50,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:20:50,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:20:50,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:50,409 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 18:20:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:50,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441382292] [2022-12-13 18:20:50,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:50,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:20:50,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:20:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:20:50,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:20:50,616 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:20:50,616 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:20:50,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:20:50,621 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:20:50,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:20:50,637 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 18:20:50,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:20:50 BoogieIcfgContainer [2022-12-13 18:20:50,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:20:50,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:20:50,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:20:50,644 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:20:50,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:50" (3/4) ... [2022-12-13 18:20:50,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:20:50,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:20:50,648 INFO L158 Benchmark]: Toolchain (without parser) took 6006.00ms. Allocated memory was 127.9MB in the beginning and 484.4MB in the end (delta: 356.5MB). Free memory was 92.4MB in the beginning and 431.8MB in the end (delta: -339.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-12-13 18:20:50,649 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:50,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.50ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 67.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 18:20:50,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.74ms. Allocated memory is still 127.9MB. Free memory was 67.3MB in the beginning and 59.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:20:50,650 INFO L158 Benchmark]: Boogie Preprocessor took 58.11ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 55.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:20:50,651 INFO L158 Benchmark]: RCFGBuilder took 5149.72ms. Allocated memory was 127.9MB in the beginning and 484.4MB in the end (delta: 356.5MB). Free memory was 55.7MB in the beginning and 170.5MB in the end (delta: -114.8MB). Peak memory consumption was 258.5MB. Max. memory is 16.1GB. [2022-12-13 18:20:50,651 INFO L158 Benchmark]: TraceAbstraction took 303.13ms. Allocated memory is still 484.4MB. Free memory was 169.5MB in the beginning and 431.8MB in the end (delta: -262.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:50,652 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 484.4MB. Free memory is still 431.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:50,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.50ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 67.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.74ms. Allocated memory is still 127.9MB. Free memory was 67.3MB in the beginning and 59.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.11ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 55.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5149.72ms. Allocated memory was 127.9MB in the beginning and 484.4MB in the end (delta: 356.5MB). Free memory was 55.7MB in the beginning and 170.5MB in the end (delta: -114.8MB). Peak memory consumption was 258.5MB. Max. memory is 16.1GB. * TraceAbstraction took 303.13ms. Allocated memory is still 484.4MB. Free memory was 169.5MB in the beginning and 431.8MB in the end (delta: -262.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 484.4MB. Free memory is still 431.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 81, overapproximation of bitwiseAnd at line 86. 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_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 8); [L29] const SORT_13 msb_SORT_13 = (SORT_13)1 << (8 - 1); [L31] const SORT_1 var_3 = 0; [L32] const SORT_1 var_9 = 1; [L34] SORT_1 input_2; [L36] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L37] SORT_13 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L38] SORT_13 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L39] SORT_1 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_13 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L49] SORT_13 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L50] SORT_13 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_13; [L51] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 init_5_arg_1 = var_3; [L54] state_4 = init_5_arg_1 [L55] SORT_1 init_17_arg_1 = var_9; [L56] state_16 = init_17_arg_1 [L57] SORT_1 init_19_arg_1 = var_3; [L58] state_18 = init_19_arg_1 [L59] SORT_1 init_21_arg_1 = var_3; [L60] state_20 = init_21_arg_1 [L61] SORT_1 init_23_arg_1 = var_3; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_3; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_3; [L66] state_26 = init_27_arg_1 [L67] SORT_1 init_29_arg_1 = var_3; [L68] state_28 = init_29_arg_1 [L69] SORT_1 init_31_arg_1 = var_3; [L70] state_30 = init_31_arg_1 [L71] SORT_1 init_33_arg_1 = var_9; [L72] state_32 = init_33_arg_1 [L73] SORT_1 init_39_arg_1 = var_3; [L74] state_38 = init_39_arg_1 VAL [init_17_arg_1=1, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=1, init_39_arg_1=0, init_5_arg_1=0, mask_SORT_1=1, mask_SORT_13=255, msb_SORT_1=1, msb_SORT_13=128, state_14=0, state_15=0, state_16=1, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=1, state_34=0, state_35=3, state_36=0, state_38=0, state_4=0, var_3=0, var_9=1] [L77] input_2 = __VERIFIER_nondet_uchar() [L80] SORT_1 var_6_arg_0 = state_4; [L81] SORT_1 var_6 = ~var_6_arg_0; [L82] SORT_1 var_10_arg_0 = var_6; [L83] SORT_1 var_10 = ~var_10_arg_0; [L84] SORT_1 var_11_arg_0 = var_9; [L85] SORT_1 var_11_arg_1 = var_10; [L86] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L87] var_11 = var_11 & mask_SORT_1 [L88] SORT_1 bad_12_arg_0 = var_11; [L89] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 18:20:50,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112587b26a8a60bef67dc0385ac410c4904ba752e01ffbab2b33ce42a4e58bd4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:20:52,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:20:52,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:20:52,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:20:52,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:20:52,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:20:52,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:20:52,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:20:52,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:20:52,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:20:52,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:20:52,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:20:52,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:20:52,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:20:52,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:20:52,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:20:52,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:20:52,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:20:52,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:20:52,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:20:52,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:20:52,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:20:52,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:20:52,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:20:52,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:20:52,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:20:52,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:20:52,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:20:52,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:20:52,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:20:52,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:20:52,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:20:52,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:20:52,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:20:52,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:20:52,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:20:52,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:20:52,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:20:52,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:20:52,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:20:52,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:20:52,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 18:20:52,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:20:52,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:20:52,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:20:52,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:20:52,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:20:52,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:20:52,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:20:52,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:20:52,411 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:20:52,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:20:52,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:20:52,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:20:52,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:20:52,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:20:52,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:20:52,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:20:52,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:20:52,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:20:52,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:20:52,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:20:52,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:20:52,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:20:52,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:20:52,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:52,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:20:52,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:20:52,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:20:52,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:20:52,416 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:20:52,416 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:20:52,416 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112587b26a8a60bef67dc0385ac410c4904ba752e01ffbab2b33ce42a4e58bd4 [2022-12-13 18:20:52,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:20:52,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:20:52,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:20:52,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:20:52,695 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:20:52,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:55,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:20:55,414 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:20:55,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:55,422 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/099a9f110/8e3d61c7cc894e449c68810c206e8ea0/FLAGee975c4cb [2022-12-13 18:20:55,436 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/data/099a9f110/8e3d61c7cc894e449c68810c206e8ea0 [2022-12-13 18:20:55,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:20:55,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:20:55,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:55,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:20:55,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:20:55,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39833a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55, skipping insertion in model container [2022-12-13 18:20:55,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:20:55,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:20:55,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1107,1120] [2022-12-13 18:20:55,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:55,745 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:20:55,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1107,1120] [2022-12-13 18:20:55,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:55,831 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:20:55,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55 WrapperNode [2022-12-13 18:20:55,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:55,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:55,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:20:55,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:20:55,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,890 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 631 [2022-12-13 18:20:55,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:55,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:20:55,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:20:55,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:20:55,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:20:55,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:20:55,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:20:55,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:20:55,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (1/1) ... [2022-12-13 18:20:55,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:20:55,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:20:55,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:20:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:20:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:20:56,143 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:20:56,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:20:56,712 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:20:56,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:20:56,721 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:20:56,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:56 BoogieIcfgContainer [2022-12-13 18:20:56,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:20:56,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:20:56,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:20:56,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:20:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:20:55" (1/3) ... [2022-12-13 18:20:56,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478be1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:56, skipping insertion in model container [2022-12-13 18:20:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:55" (2/3) ... [2022-12-13 18:20:56,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478be1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:56, skipping insertion in model container [2022-12-13 18:20:56,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:56" (3/3) ... [2022-12-13 18:20:56,732 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_ball2004_2.c [2022-12-13 18:20:56,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:20:56,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:20:56,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:20:56,796 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;@27f2d973, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:20:56,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:20:56,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:20:56,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:56,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:20:56,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:20:56,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:56,807 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 18:20:56,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:20:56,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109026951] [2022-12-13 18:20:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:56,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:56,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:20:56,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:20:56,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:20:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:56,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 18:20:56,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:20:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:56,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:20:56,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:20:57,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109026951] [2022-12-13 18:20:57,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109026951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:57,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:57,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:20:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200608413] [2022-12-13 18:20:57,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:57,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:20:57,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:20:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:20:57,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:20:57,037 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:57,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:57,127 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 18:20:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:20:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 18:20:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:57,136 INFO L225 Difference]: With dead ends: 20 [2022-12-13 18:20:57,137 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 18:20:57,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:20:57,142 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:20:57,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:20:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 18:20:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 18:20:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 18:20:57,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 18:20:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:57,171 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 18:20:57,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 18:20:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 18:20:57,172 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:57,172 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:57,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:20:57,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:57,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:20:57,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 18:20:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:20:57,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397146803] [2022-12-13 18:20:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:57,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:57,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:20:57,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:20:57,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 18:20:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:57,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 18:20:57,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:20:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:57,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:20:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:58,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:20:58,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397146803] [2022-12-13 18:20:58,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397146803] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:20:58,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:20:58,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 18:20:58,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097724755] [2022-12-13 18:20:58,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:20:58,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:20:58,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:20:58,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:20:58,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:20:58,030 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:58,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:58,159 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 18:20:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:20:58,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 18:20:58,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:58,160 INFO L225 Difference]: With dead ends: 16 [2022-12-13 18:20:58,160 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 18:20:58,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:20:58,161 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:20:58,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:20:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 18:20:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-13 18:20:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 18:20:58,164 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-13 18:20:58,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:58,164 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 18:20:58,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 18:20:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:20:58,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:58,165 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 18:20:58,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 18:20:58,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:58,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:20:58,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-13 18:20:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:20:58,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425463308] [2022-12-13 18:20:58,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 18:20:58,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:20:58,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:20:58,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 18:20:58,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 18:20:58,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:20:58,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 18:20:58,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:20:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:58,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:20:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:59,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:20:59,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425463308] [2022-12-13 18:20:59,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425463308] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:20:59,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:20:59,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 18:20:59,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562331764] [2022-12-13 18:20:59,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:20:59,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:20:59,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:20:59,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:20:59,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:20:59,291 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:59,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:20:59,477 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 18:20:59,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:20:59,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 18:20:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:20:59,478 INFO L225 Difference]: With dead ends: 19 [2022-12-13 18:20:59,478 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 18:20:59,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:20:59,479 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:20:59,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:20:59,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 18:20:59,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 18:20:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 18:20:59,482 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-13 18:20:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:20:59,482 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 18:20:59,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 18:20:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:20:59,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:20:59,483 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 18:20:59,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 18:20:59,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:59,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:20:59,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:59,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-13 18:20:59,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:20:59,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758000478] [2022-12-13 18:20:59,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 18:20:59,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:20:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:20:59,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:20:59,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 18:21:00,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 18:21:00,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:21:00,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 240 conjunts are in the unsatisfiable core [2022-12-13 18:21:00,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:21:33,991 WARN L233 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 400 DAG size of output: 379 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 18:21:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:21:34,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:21:47,154 WARN L233 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 480 DAG size of output: 463 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 18:22:07,959 WARN L233 SmtUtils]: Spent 13.39s on a formula simplification that was a NOOP. DAG size: 685 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 18:22:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:22:08,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:22:08,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758000478] [2022-12-13 18:22:08,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758000478] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:22:08,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:22:08,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-12-13 18:22:08,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131928516] [2022-12-13 18:22:08,862 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:22:08,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 18:22:08,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:22:08,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 18:22:08,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=196, Unknown=4, NotChecked=0, Total=240 [2022-12-13 18:22:08,863 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:23:02,083 WARN L233 SmtUtils]: Spent 52.28s on a formula simplification. DAG size of input: 590 DAG size of output: 571 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 18:23:45,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-12-13 18:23:45,533 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 18:23:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:23:45,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 117.6s TimeCoverageRelationStatistics Valid=51, Invalid=217, Unknown=4, NotChecked=0, Total=272 [2022-12-13 18:23:45,535 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:45,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 18:23:45,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 18:23:45,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:23:45,739 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 57 more [2022-12-13 18:23:45,749 INFO L158 Benchmark]: Toolchain (without parser) took 170308.49ms. Allocated memory was 88.1MB in the beginning and 352.3MB in the end (delta: 264.2MB). Free memory was 59.9MB in the beginning and 293.6MB in the end (delta: -233.7MB). Peak memory consumption was 211.7MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,750 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:23:45,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.58ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.60ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 52.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,754 INFO L158 Benchmark]: Boogie Preprocessor took 42.08ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 48.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,756 INFO L158 Benchmark]: RCFGBuilder took 789.31ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 56.1MB in the end (delta: -7.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,757 INFO L158 Benchmark]: TraceAbstraction took 169021.83ms. Allocated memory was 88.1MB in the beginning and 352.3MB in the end (delta: 264.2MB). Free memory was 55.5MB in the beginning and 293.6MB in the end (delta: -238.1MB). Peak memory consumption was 207.8MB. Max. memory is 16.1GB. [2022-12-13 18:23:45,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.58ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.60ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 52.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.08ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 48.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 789.31ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 56.1MB in the end (delta: -7.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 169021.83ms. Allocated memory was 88.1MB in the beginning and 352.3MB in the end (delta: 264.2MB). Free memory was 55.5MB in the beginning and 293.6MB in the end (delta: -238.1MB). Peak memory consumption was 207.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9367a98-20ab-4c0b-bfde-6857e2af68d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")