./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e89e5e5c49081a46f4bb1120b29875f7db71286809210e10b7d8629fd6832294 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:38:55,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:38:55,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:38:55,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:38:55,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:38:55,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:38:55,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:38:55,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:38:55,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:38:55,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:38:55,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:38:55,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:38:55,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:38:55,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:38:55,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:38:55,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:38:55,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:38:55,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:38:55,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:38:55,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:38:55,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:38:55,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:38:55,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:38:55,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:38:55,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:38:55,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:38:55,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:38:55,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:38:55,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:38:55,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:38:55,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:38:55,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:38:55,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:38:55,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:38:55,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:38:55,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:38:55,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:38:55,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:38:55,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:38:55,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:38:55,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:38:55,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:38:55,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:38:55,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:38:55,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:38:55,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:38:55,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:38:55,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:38:55,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:38:55,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:38:55,471 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:38:55,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:38:55,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:38:55,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:38:55,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:38:55,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:38:55,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:38:55,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:38:55,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:38:55,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:38:55,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:38:55,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:38:55,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:38:55,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:55,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:38:55,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:38:55,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:38:55,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:38:55,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:38:55,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:38:55,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:38:55,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:38:55,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89e5e5c49081a46f4bb1120b29875f7db71286809210e10b7d8629fd6832294 [2022-11-16 11:38:55,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:38:55,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:38:55,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:38:55,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:38:55,847 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:38:55,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2022-11-16 11:38:55,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/5307bf3d3/87dce422009442f1853948af5b852103/FLAG51ec9fd2e [2022-11-16 11:38:56,688 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:38:56,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2022-11-16 11:38:56,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/5307bf3d3/87dce422009442f1853948af5b852103/FLAG51ec9fd2e [2022-11-16 11:38:56,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/5307bf3d3/87dce422009442f1853948af5b852103 [2022-11-16 11:38:56,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:38:56,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:38:56,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:56,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:38:56,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:38:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:56" (1/1) ... [2022-11-16 11:38:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4deb55ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:56, skipping insertion in model container [2022-11-16 11:38:56,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:56" (1/1) ... [2022-11-16 11:38:56,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:38:57,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:38:57,292 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1107,1120] [2022-11-16 11:38:57,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:57,793 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:38:57,806 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1107,1120] [2022-11-16 11:38:58,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:58,072 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:38:58,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58 WrapperNode [2022-11-16 11:38:58,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:58,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:58,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:38:58,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:38:58,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,324 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2972 [2022-11-16 11:38:58,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:58,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:38:58,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:38:58,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:38:58,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:38:58,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:38:58,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:38:58,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:38:58,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (1/1) ... [2022-11-16 11:38:58,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:58,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:38:58,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:38:58,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:38:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:38:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:38:59,247 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:38:59,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:39:01,361 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:01,383 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:01,383 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:39:01,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:01 BoogieIcfgContainer [2022-11-16 11:39:01,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:01,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:01,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:01,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:01,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:56" (1/3) ... [2022-11-16 11:39:01,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6095d0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:01, skipping insertion in model container [2022-11-16 11:39:01,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:58" (2/3) ... [2022-11-16 11:39:01,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6095d0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:01, skipping insertion in model container [2022-11-16 11:39:01,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:01" (3/3) ... [2022-11-16 11:39:01,398 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.usb_phy.c [2022-11-16 11:39:01,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:01,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:01,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:01,523 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;@389f7a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:01,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 287 states, 285 states have (on average 1.6596491228070176) internal successors, (473), 286 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:39:01,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:01,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:01,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:01,554 INFO L85 PathProgramCache]: Analyzing trace with hash -976798657, now seen corresponding path program 1 times [2022-11-16 11:39:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6767234] [2022-11-16 11:39:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:02,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6767234] [2022-11-16 11:39:02,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6767234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:02,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:02,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:39:02,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274654153] [2022-11-16 11:39:02,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:02,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:39:02,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:02,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:39:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:39:02,361 INFO L87 Difference]: Start difference. First operand has 287 states, 285 states have (on average 1.6596491228070176) internal successors, (473), 286 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:02,641 INFO L93 Difference]: Finished difference Result 865 states and 1437 transitions. [2022-11-16 11:39:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:39:02,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 11:39:02,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:02,680 INFO L225 Difference]: With dead ends: 865 [2022-11-16 11:39:02,681 INFO L226 Difference]: Without dead ends: 580 [2022-11-16 11:39:02,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:39:02,689 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1377 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 1013 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 [2022-11-16 11:39:02,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 1013 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:39:02,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-11-16 11:39:02,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 285. [2022-11-16 11:39:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 284 states have (on average 1.6514084507042253) internal successors, (469), 284 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 469 transitions. [2022-11-16 11:39:02,774 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 469 transitions. Word has length 17 [2022-11-16 11:39:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:02,775 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 469 transitions. [2022-11-16 11:39:02,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 469 transitions. [2022-11-16 11:39:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:39:02,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:02,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:02,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:39:02,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:02,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:02,778 INFO L85 PathProgramCache]: Analyzing trace with hash -214202693, now seen corresponding path program 1 times [2022-11-16 11:39:02,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:02,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183279517] [2022-11-16 11:39:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:39:02,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:39:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:39:03,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:39:03,173 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:39:03,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:39:03,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:39:03,182 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:39:03,186 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:39:03,311 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:39:03,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:03 BoogieIcfgContainer [2022-11-16 11:39:03,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:39:03,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:39:03,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:39:03,356 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:39:03,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:01" (3/4) ... [2022-11-16 11:39:03,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:39:03,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:39:03,365 INFO L158 Benchmark]: Toolchain (without parser) took 6486.47ms. Allocated memory was 144.7MB in the beginning and 381.7MB in the end (delta: 237.0MB). Free memory was 110.3MB in the beginning and 257.0MB in the end (delta: -146.7MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,366 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:03,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.94ms. Allocated memory is still 144.7MB. Free memory was 110.3MB in the beginning and 105.4MB in the end (delta: 4.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 247.94ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 105.4MB in the beginning and 173.9MB in the end (delta: -68.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,376 INFO L158 Benchmark]: Boogie Preprocessor took 149.80ms. Allocated memory is still 232.8MB. Free memory was 173.9MB in the beginning and 162.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,378 INFO L158 Benchmark]: RCFGBuilder took 2910.88ms. Allocated memory is still 232.8MB. Free memory was 162.4MB in the beginning and 160.2MB in the end (delta: 2.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,379 INFO L158 Benchmark]: TraceAbstraction took 1964.86ms. Allocated memory was 232.8MB in the beginning and 381.7MB in the end (delta: 148.9MB). Free memory was 160.2MB in the beginning and 257.0MB in the end (delta: -96.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-11-16 11:39:03,380 INFO L158 Benchmark]: Witness Printer took 7.84ms. Allocated memory is still 381.7MB. Free memory is still 257.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:03,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.94ms. Allocated memory is still 144.7MB. Free memory was 110.3MB in the beginning and 105.4MB in the end (delta: 4.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 247.94ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 105.4MB in the beginning and 173.9MB in the end (delta: -68.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.80ms. Allocated memory is still 232.8MB. Free memory was 173.9MB in the beginning and 162.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2910.88ms. Allocated memory is still 232.8MB. Free memory was 162.4MB in the beginning and 160.2MB in the end (delta: 2.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1964.86ms. Allocated memory was 232.8MB in the beginning and 381.7MB in the end (delta: 148.9MB). Free memory was 160.2MB in the beginning and 257.0MB in the end (delta: -96.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Witness Printer took 7.84ms. Allocated memory is still 381.7MB. Free memory is still 257.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 509, overapproximation of bitwiseOr at line 507, overapproximation of bitwiseAnd at line 513. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 32); [L32] const SORT_14 msb_SORT_14 = (SORT_14)1 << (32 - 1); [L34] const SORT_30 mask_SORT_30 = (SORT_30)-1 >> (sizeof(SORT_30) * 8 - 3); [L35] const SORT_30 msb_SORT_30 = (SORT_30)1 << (3 - 1); [L37] const SORT_46 mask_SORT_46 = (SORT_46)-1 >> (sizeof(SORT_46) * 8 - 2); [L38] const SORT_46 msb_SORT_46 = (SORT_46)1 << (2 - 1); [L40] const SORT_175 mask_SORT_175 = (SORT_175)-1 >> (sizeof(SORT_175) * 8 - 5); [L41] const SORT_175 msb_SORT_175 = (SORT_175)1 << (5 - 1); [L43] const SORT_3 var_11 = 0; [L44] const SORT_14 var_16 = 1; [L45] const SORT_3 var_26 = 1; [L46] const SORT_30 var_31 = 0; [L47] const SORT_46 var_47 = 1; [L48] const SORT_30 var_52 = 6; [L49] const SORT_1 var_130 = 0; [L50] const SORT_175 var_176 = 0; [L51] const SORT_30 var_196 = 1; [L52] const SORT_46 var_217 = 0; [L53] const SORT_46 var_226 = 2; [L54] const SORT_46 var_227 = 3; [L55] const SORT_30 var_307 = 2; [L56] const SORT_30 var_319 = 3; [L57] const SORT_30 var_329 = 4; [L58] const SORT_30 var_344 = 5; [L59] const SORT_30 var_356 = 7; [L60] const SORT_175 var_404 = 31; [L61] const SORT_1 var_569 = 128; [L62] const SORT_175 var_753 = 1; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_3 input_5; [L67] SORT_3 input_6; [L68] SORT_3 input_7; [L69] SORT_3 input_8; [L70] SORT_3 input_9; [L71] SORT_3 input_10; [L72] SORT_1 input_67; [L73] SORT_3 input_112; [L74] SORT_3 input_141; [L75] SORT_3 input_143; [L76] SORT_3 input_160; [L77] SORT_3 input_162; [L78] SORT_3 input_164; [L79] SORT_3 input_166; [L80] SORT_3 input_185; [L81] SORT_3 input_188; [L82] SORT_3 input_192; [L83] SORT_30 input_201; [L84] SORT_30 input_204; [L85] SORT_30 input_208; [L86] SORT_46 input_216; [L87] SORT_46 input_222; [L88] SORT_46 input_225; [L89] SORT_46 input_232; [L90] SORT_46 input_236; [L91] SORT_46 input_241; [L92] SORT_46 input_243; [L93] SORT_46 input_246; [L94] SORT_46 input_253; [L95] SORT_30 input_257; [L96] SORT_30 input_263; [L97] SORT_30 input_266; [L98] SORT_30 input_270; [L99] SORT_30 input_272; [L100] SORT_30 input_275; [L101] SORT_3 input_287; [L102] SORT_30 input_294; [L103] SORT_30 input_295; [L104] SORT_30 input_296; [L105] SORT_30 input_302; [L106] SORT_30 input_305; [L107] SORT_30 input_306; [L108] SORT_30 input_313; [L109] SORT_30 input_317; [L110] SORT_30 input_318; [L111] SORT_30 input_325; [L112] SORT_30 input_327; [L113] SORT_30 input_328; [L114] SORT_30 input_335; [L115] SORT_30 input_342; [L116] SORT_30 input_343; [L117] SORT_30 input_350; [L118] SORT_30 input_352; [L119] SORT_30 input_353; [L120] SORT_30 input_354; [L121] SORT_30 input_355; [L122] SORT_30 input_359; [L123] SORT_30 input_365; [L124] SORT_30 input_371; [L125] SORT_30 input_375; [L126] SORT_30 input_376; [L127] SORT_30 input_382; [L128] SORT_30 input_395; [L129] SORT_30 input_398; [L130] SORT_3 input_412; [L131] SORT_3 input_418; [L132] SORT_3 input_422; [L133] SORT_3 input_427; [L134] SORT_3 input_440; [L135] SORT_3 input_450; [L136] SORT_3 input_460; [L137] SORT_3 input_461; [L138] SORT_3 input_466; [L139] SORT_3 input_479; [L140] SORT_3 input_482; [L141] SORT_3 input_487; [L142] SORT_3 input_489; [L143] SORT_3 input_493; [L144] SORT_3 input_498; [L145] SORT_3 input_504; [L146] SORT_3 input_510; [L147] SORT_30 input_519; [L148] SORT_30 input_522; [L149] SORT_30 input_526; [L150] SORT_3 input_532; [L151] SORT_3 input_536; [L152] SORT_3 input_540; [L153] SORT_30 input_544; [L154] SORT_30 input_550; [L155] SORT_30 input_553; [L156] SORT_30 input_557; [L157] SORT_30 input_559; [L158] SORT_30 input_562; [L159] SORT_1 input_567; [L160] SORT_3 input_573; [L161] SORT_3 input_577; [L162] SORT_3 input_582; [L163] SORT_3 input_587; [L164] SORT_3 input_591; [L165] SORT_3 input_595; [L166] SORT_3 input_601; [L167] SORT_3 input_605; [L168] SORT_3 input_609; [L169] SORT_3 input_613; [L170] SORT_3 input_617; [L171] SORT_3 input_648; [L172] SORT_30 input_658; [L173] SORT_30 input_662; [L174] SORT_30 input_666; [L175] SORT_30 input_670; [L176] SORT_30 input_672; [L177] SORT_30 input_676; [L178] SORT_30 input_683; [L179] SORT_30 input_687; [L180] SORT_30 input_689; [L181] SORT_30 input_695; [L182] SORT_30 input_699; [L183] SORT_30 input_703; [L184] SORT_30 input_712; [L185] SORT_3 input_717; [L186] SORT_3 input_719; [L187] SORT_3 input_723; [L188] SORT_3 input_728; [L189] SORT_3 input_736; [L190] SORT_3 input_742; [L191] SORT_3 input_748; [L192] SORT_175 input_758; [L193] SORT_175 input_762; [L194] SORT_175 input_766; [L196] SORT_3 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L197] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L198] SORT_30 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L199] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L200] SORT_3 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L201] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L202] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L203] SORT_46 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L204] SORT_30 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L205] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L206] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L207] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L208] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L209] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L210] SORT_30 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L211] SORT_3 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L212] SORT_3 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L213] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L214] SORT_3 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L215] SORT_3 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L216] SORT_3 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L217] SORT_3 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L218] SORT_3 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L219] SORT_3 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L220] SORT_3 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L221] SORT_3 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L222] SORT_3 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L223] SORT_3 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L224] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L225] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L226] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L227] SORT_3 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L228] SORT_3 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L229] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L230] SORT_30 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L231] SORT_3 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L232] SORT_30 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L233] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L234] SORT_3 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L235] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L236] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L237] SORT_3 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L238] SORT_3 state_145 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L239] SORT_3 state_147 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L240] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L241] SORT_30 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_30; [L242] SORT_3 state_156 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L243] SORT_3 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L244] SORT_3 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L245] SORT_3 state_170 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L246] SORT_3 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L247] SORT_175 state_177 = __VERIFIER_nondet_uchar() & mask_SORT_175; [L249] SORT_3 init_13_arg_1 = var_11; [L250] state_12 = init_13_arg_1 [L251] SORT_3 init_20_arg_1 = var_11; [L252] state_19 = init_20_arg_1 [L253] SORT_30 init_33_arg_1 = var_31; [L254] state_32 = init_33_arg_1 [L255] SORT_3 init_35_arg_1 = var_11; [L256] state_34 = init_35_arg_1 [L257] SORT_3 init_37_arg_1 = var_11; [L258] state_36 = init_37_arg_1 [L259] SORT_3 init_40_arg_1 = var_11; [L260] state_39 = init_40_arg_1 [L261] SORT_3 init_42_arg_1 = var_11; [L262] state_41 = init_42_arg_1 [L263] SORT_46 init_49_arg_1 = var_47; [L264] state_48 = init_49_arg_1 [L265] SORT_30 init_51_arg_1 = var_31; [L266] state_50 = init_51_arg_1 [L267] SORT_3 init_56_arg_1 = var_11; [L268] state_55 = init_56_arg_1 [L269] SORT_3 init_58_arg_1 = var_11; [L270] state_57 = init_58_arg_1 [L271] SORT_3 init_60_arg_1 = var_11; [L272] state_59 = init_60_arg_1 [L273] SORT_3 init_62_arg_1 = var_11; [L274] state_61 = init_62_arg_1 [L275] SORT_3 init_64_arg_1 = var_11; [L276] state_63 = init_64_arg_1 [L277] SORT_30 init_66_arg_1 = var_31; [L278] state_65 = init_66_arg_1 [L279] SORT_3 init_70_arg_1 = var_11; [L280] state_69 = init_70_arg_1 [L281] SORT_3 init_72_arg_1 = var_11; [L282] state_71 = init_72_arg_1 [L283] SORT_3 init_80_arg_1 = var_11; [L284] state_79 = init_80_arg_1 [L285] SORT_3 init_85_arg_1 = var_11; [L286] state_84 = init_85_arg_1 [L287] SORT_3 init_87_arg_1 = var_11; [L288] state_86 = init_87_arg_1 [L289] SORT_3 init_89_arg_1 = var_11; [L290] state_88 = init_89_arg_1 [L291] SORT_3 init_91_arg_1 = var_11; [L292] state_90 = init_91_arg_1 [L293] SORT_3 init_93_arg_1 = var_11; [L294] state_92 = init_93_arg_1 [L295] SORT_3 init_95_arg_1 = var_11; [L296] state_94 = init_95_arg_1 [L297] SORT_3 init_97_arg_1 = var_11; [L298] state_96 = init_97_arg_1 [L299] SORT_3 init_99_arg_1 = var_11; [L300] state_98 = init_99_arg_1 [L301] SORT_3 init_101_arg_1 = var_11; [L302] state_100 = init_101_arg_1 [L303] SORT_3 init_103_arg_1 = var_11; [L304] state_102 = init_103_arg_1 [L305] SORT_3 init_109_arg_1 = var_11; [L306] state_108 = init_109_arg_1 [L307] SORT_3 init_111_arg_1 = var_11; [L308] state_110 = init_111_arg_1 [L309] SORT_3 init_115_arg_1 = var_11; [L310] state_114 = init_115_arg_1 [L311] SORT_3 init_117_arg_1 = var_11; [L312] state_116 = init_117_arg_1 [L313] SORT_3 init_119_arg_1 = var_11; [L314] state_118 = init_119_arg_1 [L315] SORT_3 init_121_arg_1 = var_11; [L316] state_120 = init_121_arg_1 [L317] SORT_30 init_123_arg_1 = var_31; [L318] state_122 = init_123_arg_1 [L319] SORT_3 init_125_arg_1 = var_11; [L320] state_124 = init_125_arg_1 [L321] SORT_30 init_127_arg_1 = var_31; [L322] state_126 = init_127_arg_1 [L323] SORT_1 init_132_arg_1 = var_130; [L324] state_131 = init_132_arg_1 [L325] SORT_3 init_134_arg_1 = var_11; [L326] state_133 = init_134_arg_1 [L327] SORT_3 init_136_arg_1 = var_11; [L328] state_135 = init_136_arg_1 [L329] SORT_3 init_138_arg_1 = var_11; [L330] state_137 = init_138_arg_1 [L331] SORT_3 init_140_arg_1 = var_11; [L332] state_139 = init_140_arg_1 [L333] SORT_3 init_146_arg_1 = var_11; [L334] state_145 = init_146_arg_1 [L335] SORT_3 init_148_arg_1 = var_11; [L336] state_147 = init_148_arg_1 [L337] SORT_3 init_150_arg_1 = var_11; [L338] state_149 = init_150_arg_1 [L339] SORT_30 init_155_arg_1 = var_31; [L340] state_154 = init_155_arg_1 [L341] SORT_3 init_157_arg_1 = var_11; [L342] state_156 = init_157_arg_1 [L343] SORT_3 init_159_arg_1 = var_11; [L344] state_158 = init_159_arg_1 [L345] SORT_3 init_169_arg_1 = var_26; [L346] state_168 = init_169_arg_1 [L347] SORT_3 init_171_arg_1 = var_11; [L348] state_170 = init_171_arg_1 [L349] SORT_3 init_173_arg_1 = var_11; [L350] state_172 = init_173_arg_1 [L351] SORT_175 init_178_arg_1 = var_176; [L352] state_177 = init_178_arg_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L355] input_2 = __VERIFIER_nondet_uchar() [L356] input_4 = __VERIFIER_nondet_uchar() [L357] input_4 = input_4 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_2=125, input_4=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L358] input_5 = __VERIFIER_nondet_uchar() [L359] input_6 = __VERIFIER_nondet_uchar() [L360] input_7 = __VERIFIER_nondet_uchar() [L361] input_8 = __VERIFIER_nondet_uchar() [L362] input_9 = __VERIFIER_nondet_uchar() [L363] input_9 = input_9 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_2=125, input_4=0, input_5=34, input_6=77, input_7=18, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L364] input_10 = __VERIFIER_nondet_uchar() [L365] input_10 = input_10 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_2=125, input_4=0, input_5=34, input_6=77, input_7=18, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L366] input_67 = __VERIFIER_nondet_uchar() [L367] input_112 = __VERIFIER_nondet_uchar() [L368] input_141 = __VERIFIER_nondet_uchar() [L369] input_143 = __VERIFIER_nondet_uchar() [L370] input_160 = __VERIFIER_nondet_uchar() [L371] input_162 = __VERIFIER_nondet_uchar() [L372] input_164 = __VERIFIER_nondet_uchar() [L373] input_166 = __VERIFIER_nondet_uchar() [L374] input_185 = __VERIFIER_nondet_uchar() [L375] input_188 = __VERIFIER_nondet_uchar() [L376] input_192 = __VERIFIER_nondet_uchar() [L377] input_201 = __VERIFIER_nondet_uchar() [L378] input_204 = __VERIFIER_nondet_uchar() [L379] input_208 = __VERIFIER_nondet_uchar() [L380] input_216 = __VERIFIER_nondet_uchar() [L381] input_222 = __VERIFIER_nondet_uchar() [L382] input_225 = __VERIFIER_nondet_uchar() [L383] input_232 = __VERIFIER_nondet_uchar() [L384] input_236 = __VERIFIER_nondet_uchar() [L385] input_241 = __VERIFIER_nondet_uchar() [L386] input_243 = __VERIFIER_nondet_uchar() [L387] input_246 = __VERIFIER_nondet_uchar() [L388] input_253 = __VERIFIER_nondet_uchar() [L389] input_257 = __VERIFIER_nondet_uchar() [L390] input_263 = __VERIFIER_nondet_uchar() [L391] input_266 = __VERIFIER_nondet_uchar() [L392] input_270 = __VERIFIER_nondet_uchar() [L393] input_272 = __VERIFIER_nondet_uchar() [L394] input_275 = __VERIFIER_nondet_uchar() [L395] input_287 = __VERIFIER_nondet_uchar() [L396] input_294 = __VERIFIER_nondet_uchar() [L397] input_295 = __VERIFIER_nondet_uchar() [L398] input_296 = __VERIFIER_nondet_uchar() [L399] input_302 = __VERIFIER_nondet_uchar() [L400] input_305 = __VERIFIER_nondet_uchar() [L401] input_306 = __VERIFIER_nondet_uchar() [L402] input_313 = __VERIFIER_nondet_uchar() [L403] input_317 = __VERIFIER_nondet_uchar() [L404] input_318 = __VERIFIER_nondet_uchar() [L405] input_325 = __VERIFIER_nondet_uchar() [L406] input_327 = __VERIFIER_nondet_uchar() [L407] input_328 = __VERIFIER_nondet_uchar() [L408] input_335 = __VERIFIER_nondet_uchar() [L409] input_342 = __VERIFIER_nondet_uchar() [L410] input_343 = __VERIFIER_nondet_uchar() [L411] input_350 = __VERIFIER_nondet_uchar() [L412] input_352 = __VERIFIER_nondet_uchar() [L413] input_353 = __VERIFIER_nondet_uchar() [L414] input_354 = __VERIFIER_nondet_uchar() [L415] input_355 = __VERIFIER_nondet_uchar() [L416] input_359 = __VERIFIER_nondet_uchar() [L417] input_365 = __VERIFIER_nondet_uchar() [L418] input_371 = __VERIFIER_nondet_uchar() [L419] input_375 = __VERIFIER_nondet_uchar() [L420] input_376 = __VERIFIER_nondet_uchar() [L421] input_382 = __VERIFIER_nondet_uchar() [L422] input_395 = __VERIFIER_nondet_uchar() [L423] input_398 = __VERIFIER_nondet_uchar() [L424] input_412 = __VERIFIER_nondet_uchar() [L425] input_418 = __VERIFIER_nondet_uchar() [L426] input_422 = __VERIFIER_nondet_uchar() [L427] input_427 = __VERIFIER_nondet_uchar() [L428] input_440 = __VERIFIER_nondet_uchar() [L429] input_450 = __VERIFIER_nondet_uchar() [L430] input_460 = __VERIFIER_nondet_uchar() [L431] input_461 = __VERIFIER_nondet_uchar() [L432] input_466 = __VERIFIER_nondet_uchar() [L433] input_479 = __VERIFIER_nondet_uchar() [L434] input_482 = __VERIFIER_nondet_uchar() [L435] input_487 = __VERIFIER_nondet_uchar() [L436] input_489 = __VERIFIER_nondet_uchar() [L437] input_493 = __VERIFIER_nondet_uchar() [L438] input_498 = __VERIFIER_nondet_uchar() [L439] input_504 = __VERIFIER_nondet_uchar() [L440] input_510 = __VERIFIER_nondet_uchar() [L441] input_519 = __VERIFIER_nondet_uchar() [L442] input_522 = __VERIFIER_nondet_uchar() [L443] input_526 = __VERIFIER_nondet_uchar() [L444] input_532 = __VERIFIER_nondet_uchar() [L445] input_536 = __VERIFIER_nondet_uchar() [L446] input_540 = __VERIFIER_nondet_uchar() [L447] input_544 = __VERIFIER_nondet_uchar() [L448] input_550 = __VERIFIER_nondet_uchar() [L449] input_553 = __VERIFIER_nondet_uchar() [L450] input_557 = __VERIFIER_nondet_uchar() [L451] input_559 = __VERIFIER_nondet_uchar() [L452] input_562 = __VERIFIER_nondet_uchar() [L453] input_567 = __VERIFIER_nondet_uchar() [L454] input_573 = __VERIFIER_nondet_uchar() [L455] input_577 = __VERIFIER_nondet_uchar() [L456] input_582 = __VERIFIER_nondet_uchar() [L457] input_587 = __VERIFIER_nondet_uchar() [L458] input_591 = __VERIFIER_nondet_uchar() [L459] input_595 = __VERIFIER_nondet_uchar() [L460] input_601 = __VERIFIER_nondet_uchar() [L461] input_605 = __VERIFIER_nondet_uchar() [L462] input_609 = __VERIFIER_nondet_uchar() [L463] input_613 = __VERIFIER_nondet_uchar() [L464] input_617 = __VERIFIER_nondet_uchar() [L465] input_648 = __VERIFIER_nondet_uchar() [L466] input_658 = __VERIFIER_nondet_uchar() [L467] input_662 = __VERIFIER_nondet_uchar() [L468] input_666 = __VERIFIER_nondet_uchar() [L469] input_670 = __VERIFIER_nondet_uchar() [L470] input_672 = __VERIFIER_nondet_uchar() [L471] input_676 = __VERIFIER_nondet_uchar() [L472] input_683 = __VERIFIER_nondet_uchar() [L473] input_687 = __VERIFIER_nondet_uchar() [L474] input_689 = __VERIFIER_nondet_uchar() [L475] input_695 = __VERIFIER_nondet_uchar() [L476] input_699 = __VERIFIER_nondet_uchar() [L477] input_703 = __VERIFIER_nondet_uchar() [L478] input_712 = __VERIFIER_nondet_uchar() [L479] input_717 = __VERIFIER_nondet_uchar() [L480] input_719 = __VERIFIER_nondet_uchar() [L481] input_723 = __VERIFIER_nondet_uchar() [L482] input_728 = __VERIFIER_nondet_uchar() [L483] input_736 = __VERIFIER_nondet_uchar() [L484] input_742 = __VERIFIER_nondet_uchar() [L485] input_748 = __VERIFIER_nondet_uchar() [L486] input_758 = __VERIFIER_nondet_uchar() [L487] input_762 = __VERIFIER_nondet_uchar() [L488] input_766 = __VERIFIER_nondet_uchar() [L491] SORT_3 var_15_arg_0 = state_12; VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15_arg_0=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L492] var_15_arg_0 = var_15_arg_0 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15_arg_0=0, var_16=1, var_176=0, var_196=1, var_217=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L493] SORT_14 var_15 = var_15_arg_0; [L494] SORT_14 var_17_arg_0 = var_15; [L495] SORT_14 var_17_arg_1 = var_16; [L496] SORT_3 var_17 = var_17_arg_0 == var_17_arg_1; [L497] SORT_3 var_18_arg_0 = var_17; [L498] SORT_3 var_18 = ~var_18_arg_0; [L499] SORT_3 var_21_arg_0 = state_19; VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15=0, var_15_arg_0=0, var_16=1, var_17=0, var_176=0, var_17_arg_0=0, var_17_arg_1=1, var_18_arg_0=0, var_196=1, var_217=0, var_21_arg_0=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L500] var_21_arg_0 = var_21_arg_0 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15=0, var_15_arg_0=0, var_16=1, var_17=0, var_176=0, var_17_arg_0=0, var_17_arg_1=1, var_18_arg_0=0, var_196=1, var_217=0, var_21_arg_0=0, var_226=2, var_227=3, var_26=1, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L501] SORT_14 var_21 = var_21_arg_0; [L502] SORT_14 var_22_arg_0 = var_21; [L503] SORT_14 var_22_arg_1 = var_16; [L504] SORT_3 var_22 = var_22_arg_0 == var_22_arg_1; [L505] SORT_3 var_23_arg_0 = var_18; [L506] SORT_3 var_23_arg_1 = var_22; [L507] SORT_3 var_23 = var_23_arg_0 | var_23_arg_1; [L508] SORT_3 var_27_arg_0 = var_23; [L509] SORT_3 var_27 = ~var_27_arg_0; [L510] SORT_3 var_28_arg_0 = var_26; [L511] SORT_3 var_28_arg_1 = var_27; [L512] SORT_3 var_28 = var_28_arg_0 & var_28_arg_1; VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15=0, var_15_arg_0=0, var_16=1, var_17=0, var_176=0, var_17_arg_0=0, var_17_arg_1=1, var_18=2, var_18_arg_0=0, var_196=1, var_21=0, var_217=0, var_21_arg_0=0, var_22=0, var_226=2, var_227=3, var_22_arg_0=0, var_22_arg_1=1, var_23=2, var_23_arg_0=2, var_23_arg_1=0, var_26=1, var_27=255, var_27_arg_0=2, var_28=33, var_28_arg_0=1, var_28_arg_1=255, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L513] var_28 = var_28 & mask_SORT_3 VAL [init_101_arg_1=0, init_103_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_127_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_157_arg_1=0, init_159_arg_1=0, init_169_arg_1=1, init_171_arg_1=0, init_173_arg_1=0, init_178_arg_1=0, init_20_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_49_arg_1=1, init_51_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_80_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, input_10=0, input_112=1, input_141=84, input_143=123, input_160=98, input_162=126, input_164=39, input_166=122, input_185=117, input_188=25, input_192=111, input_2=125, input_201=116, input_204=64, input_208=4, input_216=57, input_222=12, input_225=47, input_232=10, input_236=101, input_241=14, input_243=94, input_246=54, input_253=72, input_257=35, input_263=49, input_266=87, input_270=82, input_272=2, input_275=59, input_287=80, input_294=21, input_295=8, input_296=90, input_302=9, input_305=51, input_306=53, input_313=120, input_317=81, input_318=38, input_325=13, input_327=85, input_328=71, input_335=83, input_342=23, input_343=119, input_350=124, input_352=17, input_353=74, input_354=114, input_355=46, input_359=128, input_365=40, input_371=104, input_375=55, input_376=48, input_382=31, input_395=63, input_398=36, input_4=0, input_412=129, input_418=76, input_422=127, input_427=26, input_440=56, input_450=22, input_460=102, input_461=107, input_466=3, input_479=30, input_482=65, input_487=112, input_489=60, input_493=99, input_498=42, input_5=34, input_504=86, input_510=28, input_519=88, input_522=15, input_526=32, input_532=106, input_536=5, input_540=27, input_544=67, input_550=37, input_553=105, input_557=89, input_559=78, input_562=79, input_567=44, input_573=45, input_577=103, input_582=95, input_587=115, input_591=69, input_595=24, input_6=77, input_601=109, input_605=92, input_609=96, input_613=113, input_617=6, input_648=20, input_658=75, input_662=66, input_666=91, input_67=52, input_670=43, input_672=61, input_676=93, input_683=7, input_687=11, input_689=58, input_695=70, input_699=19, input_7=18, input_703=73, input_712=50, input_717=68, input_719=110, input_723=29, input_728=41, input_736=108, input_742=16, input_748=62, input_758=100, input_762=118, input_766=97, input_8=121, input_9=0, mask_SORT_1=255, mask_SORT_14=4294967295, mask_SORT_175=31, mask_SORT_3=1, mask_SORT_30=7, mask_SORT_46=3, msb_SORT_1=128, msb_SORT_14=2147483648, msb_SORT_175=16, msb_SORT_3=1, msb_SORT_30=4, msb_SORT_46=2, state_100=0, state_102=0, state_108=0, state_110=0, state_114=0, state_116=0, state_118=0, state_12=0, state_120=0, state_122=0, state_124=0, state_126=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_145=0, state_147=0, state_149=0, state_154=0, state_156=0, state_158=0, state_168=1, state_170=0, state_172=0, state_177=0, state_19=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_48=1, state_50=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_71=0, state_79=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_11=0, var_130=0, var_15=0, var_15_arg_0=0, var_16=1, var_17=0, var_176=0, var_17_arg_0=0, var_17_arg_1=1, var_18=2, var_18_arg_0=0, var_196=1, var_21=0, var_217=0, var_21_arg_0=0, var_22=0, var_226=2, var_227=3, var_22_arg_0=0, var_22_arg_1=1, var_23=2, var_23_arg_0=2, var_23_arg_1=0, var_26=1, var_27=255, var_27_arg_0=2, var_28=1, var_28_arg_0=1, var_28_arg_1=255, var_307=2, var_31=0, var_319=3, var_329=4, var_344=5, var_356=7, var_404=31, var_47=1, var_52=6, var_569=128, var_753=1] [L514] SORT_3 bad_29_arg_0 = var_28; [L515] CALL __VERIFIER_assert(!(bad_29_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, 287 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1377 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1377 mSDsluCounter, 1013 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 495 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 295 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:39:03,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e89e5e5c49081a46f4bb1120b29875f7db71286809210e10b7d8629fd6832294 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:39:06,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:39:06,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:39:06,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:39:06,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:39:06,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:39:06,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:39:06,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:39:06,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:39:06,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:39:06,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:39:06,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:39:06,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:39:06,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:39:06,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:39:06,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:39:06,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:39:06,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:39:06,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:39:06,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:39:06,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:39:06,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:39:06,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:39:06,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:39:06,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:39:06,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:39:06,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:39:06,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:39:06,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:39:06,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:39:06,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:39:06,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:39:06,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:39:06,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:39:06,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:39:06,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:39:06,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:39:06,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:39:06,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:39:06,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:39:06,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:39:06,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:39:06,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:39:06,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:39:06,308 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:39:06,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:39:06,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:39:06,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:39:06,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:39:06,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:39:06,312 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:39:06,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:39:06,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:39:06,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:39:06,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:39:06,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:39:06,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:39:06,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:39:06,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:39:06,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:39:06,316 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:39:06,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:39:06,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:39:06,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:39:06,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:39:06,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:06,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:39:06,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:39:06,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:39:06,318 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:39:06,319 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:39:06,319 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:39:06,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:39:06,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:39:06,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:39:06,320 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89e5e5c49081a46f4bb1120b29875f7db71286809210e10b7d8629fd6832294 [2022-11-16 11:39:06,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:39:06,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:39:06,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:39:06,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:39:06,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:39:06,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2022-11-16 11:39:06,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/baf758ced/ab5046b4cebd410197419b74af355908/FLAG2ae6ae052 [2022-11-16 11:39:07,744 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:39:07,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2022-11-16 11:39:07,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/baf758ced/ab5046b4cebd410197419b74af355908/FLAG2ae6ae052 [2022-11-16 11:39:07,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/data/baf758ced/ab5046b4cebd410197419b74af355908 [2022-11-16 11:39:07,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:39:07,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:39:07,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:07,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:39:07,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:39:07,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:07" (1/1) ... [2022-11-16 11:39:07,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@978c518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:07, skipping insertion in model container [2022-11-16 11:39:07,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:07" (1/1) ... [2022-11-16 11:39:07,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:39:07,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:39:08,237 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1107,1120] [2022-11-16 11:39:08,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:08,692 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:39:08,705 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1107,1120] [2022-11-16 11:39:08,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:09,003 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:39:09,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09 WrapperNode [2022-11-16 11:39:09,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:09,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:09,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:39:09,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:39:09,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,255 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2328 [2022-11-16 11:39:09,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:09,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:39:09,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:39:09,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:39:09,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:39:09,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:39:09,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:39:09,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:39:09,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:09,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:09,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:39:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:39:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:39:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:39:10,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:39:10,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:39:14,055 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:14,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:14,064 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:39:14,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:14 BoogieIcfgContainer [2022-11-16 11:39:14,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:14,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:14,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:14,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:14,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:07" (1/3) ... [2022-11-16 11:39:14,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67017e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:14, skipping insertion in model container [2022-11-16 11:39:14,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09" (2/3) ... [2022-11-16 11:39:14,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67017e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:14, skipping insertion in model container [2022-11-16 11:39:14,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:14" (3/3) ... [2022-11-16 11:39:14,077 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.usb_phy.c [2022-11-16 11:39:14,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:14,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:14,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:14,168 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;@1619dfd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:14,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:39:14,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:14,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:39:14,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:39:14,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:14,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981786333] [2022-11-16 11:39:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:14,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:14,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:14,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:14,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:39:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:14,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 11:39:14,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:15,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:39:15,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:15,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981786333] [2022-11-16 11:39:15,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981786333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:15,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:15,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:39:15,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551128949] [2022-11-16 11:39:15,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:15,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:39:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:15,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:39:15,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:39:15,162 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:15,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:15,497 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:39:15,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:39:15,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 11:39:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:15,509 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:39:15,510 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:39:15,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:39:15,517 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:15,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:39:15,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:39:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:39:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:39:15,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:39:15,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:15,556 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:39:15,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:39:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:39:15,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:15,558 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:15,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 11:39:15,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:15,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:15,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:39:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:15,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915944396] [2022-11-16 11:39:15,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:15,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:39:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:17,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 2018 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 11:39:17,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:17,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:17,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:17,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915944396] [2022-11-16 11:39:17,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915944396] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:17,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:17,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:39:17,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890243168] [2022-11-16 11:39:17,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:17,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:39:17,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:17,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:39:17,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:39:17,795 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:18,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:18,504 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:39:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:39:18,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 11:39:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:18,507 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:39:18,508 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:39:18,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:39:18,509 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:18,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 12 Unchecked, 0.6s Time] [2022-11-16 11:39:18,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:39:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:39:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:39:18,516 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:39:18,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:18,516 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:39:18,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:39:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:39:18,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:18,518 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:39:18,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:18,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:18,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:18,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:39:18,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:18,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865501786] [2022-11-16 11:39:18,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:39:18,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:18,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:18,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:18,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:39:20,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:39:20,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:20,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3741 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 11:39:20,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:21,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:21,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:21,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865501786] [2022-11-16 11:39:21,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865501786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:21,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:21,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:39:21,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104887941] [2022-11-16 11:39:21,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:21,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:39:21,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:39:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:39:21,483 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:22,446 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 11:39:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:39:22,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 11:39:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:22,448 INFO L225 Difference]: With dead ends: 19 [2022-11-16 11:39:22,448 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 11:39:22,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:39:22,450 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:22,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 23 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 16 Unchecked, 0.8s Time] [2022-11-16 11:39:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 11:39:22,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 11:39:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:39:22,457 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:39:22,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:22,457 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:39:22,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:39:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:39:22,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:22,459 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:39:22,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:22,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:22,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:22,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:39:22,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:22,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256471879] [2022-11-16 11:39:22,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:39:22,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:22,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:22,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:39:25,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 11:39:25,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:25,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-16 11:39:25,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:26,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:26,494 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:26,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256471879] [2022-11-16 11:39:26,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256471879] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:26,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:26,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 11:39:26,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085939672] [2022-11-16 11:39:26,500 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:26,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:39:26,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:26,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:39:26,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:39:26,504 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:27,451 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-16 11:39:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:39:27,452 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 11:39:27,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:27,453 INFO L225 Difference]: With dead ends: 22 [2022-11-16 11:39:27,453 INFO L226 Difference]: Without dead ends: 20 [2022-11-16 11:39:27,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:39:27,454 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:27,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 33 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 23 Unchecked, 0.7s Time] [2022-11-16 11:39:27,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-16 11:39:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-16 11:39:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-16 11:39:27,464 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-11-16 11:39:27,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:27,465 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-16 11:39:27,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-16 11:39:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:39:27,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:27,466 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-16 11:39:27,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:27,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:27,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:27,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:27,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 4 times [2022-11-16 11:39:27,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:27,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441534481] [2022-11-16 11:39:27,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 11:39:27,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:27,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:27,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:27,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 11:39:30,762 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 11:39:30,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:30,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 7187 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 11:39:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:31,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:31,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:31,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441534481] [2022-11-16 11:39:31,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441534481] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:31,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:31,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-16 11:39:31,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399109936] [2022-11-16 11:39:31,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:31,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:39:31,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:31,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:39:31,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:39:31,832 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:33,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:33,161 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-11-16 11:39:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:39:33,163 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 11:39:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:33,164 INFO L225 Difference]: With dead ends: 25 [2022-11-16 11:39:33,164 INFO L226 Difference]: Without dead ends: 23 [2022-11-16 11:39:33,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:39:33,166 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 20 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:33,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 35 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 52 Unchecked, 1.0s Time] [2022-11-16 11:39:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-16 11:39:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-16 11:39:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-16 11:39:33,173 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2022-11-16 11:39:33,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:33,173 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-16 11:39:33,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-16 11:39:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:39:33,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:33,174 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-16 11:39:33,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:33,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:33,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:33,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 5 times [2022-11-16 11:39:33,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:33,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282127768] [2022-11-16 11:39:33,384 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 11:39:33,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:33,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:33,385 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:33,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 11:39:37,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-16 11:39:37,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:38,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 8910 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-16 11:39:38,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:38,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:39,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:39,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282127768] [2022-11-16 11:39:39,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282127768] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:39,221 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:39,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-16 11:39:39,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460660900] [2022-11-16 11:39:39,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:39,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 11:39:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:39,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 11:39:39,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:39:39,223 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:40,683 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-11-16 11:39:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:39:40,684 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 11:39:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:40,685 INFO L225 Difference]: With dead ends: 28 [2022-11-16 11:39:40,685 INFO L226 Difference]: Without dead ends: 26 [2022-11-16 11:39:40,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2022-11-16 11:39:40,687 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 27 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:40,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 52 Unchecked, 1.1s Time] [2022-11-16 11:39:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-16 11:39:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-11-16 11:39:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-16 11:39:40,695 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2022-11-16 11:39:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:40,696 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-11-16 11:39:40,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:39:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-16 11:39:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 11:39:40,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:40,697 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1] [2022-11-16 11:39:40,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:40,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:40,898 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:40,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash 142558665, now seen corresponding path program 6 times [2022-11-16 11:39:40,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:40,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682407896] [2022-11-16 11:39:40,907 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 11:39:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:40,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:40,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:39:40,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 11:39:46,064 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-11-16 11:39:46,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:46,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 10633 conjuncts, 213 conjunts are in the unsatisfiable core [2022-11-16 11:39:46,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:49,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:40:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:40:04,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:40:04,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682407896] [2022-11-16 11:40:04,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682407896] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:40:04,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:40:04,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-11-16 11:40:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708722517] [2022-11-16 11:40:04,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:40:04,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 11:40:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:40:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 11:40:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:40:04,152 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:40:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:40:05,796 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-11-16 11:40:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:40:05,797 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 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 23 [2022-11-16 11:40:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:40:05,798 INFO L225 Difference]: With dead ends: 31 [2022-11-16 11:40:05,798 INFO L226 Difference]: Without dead ends: 29 [2022-11-16 11:40:05,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2022-11-16 11:40:05,800 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:40:05,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 25 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 45 Unchecked, 1.3s Time] [2022-11-16 11:40:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-16 11:40:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-16 11:40:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:40:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-11-16 11:40:05,810 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 23 [2022-11-16 11:40:05,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:40:05,811 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2022-11-16 11:40:05,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:40:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-11-16 11:40:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:40:05,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:40:05,812 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1] [2022-11-16 11:40:05,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:40:06,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:40:06,036 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:40:06,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:40:06,036 INFO L85 PathProgramCache]: Analyzing trace with hash -752690141, now seen corresponding path program 7 times [2022-11-16 11:40:06,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:40:06,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894053919] [2022-11-16 11:40:06,083 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 11:40:06,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:40:06,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:40:06,085 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:40:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 11:40:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:40:10,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 12356 conjuncts, 341 conjunts are in the unsatisfiable core [2022-11-16 11:40:10,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:40:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:40:17,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:40:51,110 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 704 DAG size of output: 479 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:41:17,355 WARN L233 SmtUtils]: Spent 15.93s on a formula simplification. DAG size of input: 985 DAG size of output: 683 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:43:11,267 WARN L233 SmtUtils]: Spent 1.30m on a formula simplification. DAG size of input: 1275 DAG size of output: 701 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:43:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:12,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:43:12,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894053919] [2022-11-16 11:43:12,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894053919] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:43:12,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:43:12,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-11-16 11:43:12,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770662265] [2022-11-16 11:43:12,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:43:12,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 11:43:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:43:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 11:43:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=303, Unknown=5, NotChecked=0, Total=380 [2022-11-16 11:43:12,089 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:15,128 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-11-16 11:43:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:43:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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 26 [2022-11-16 11:43:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:15,130 INFO L225 Difference]: With dead ends: 34 [2022-11-16 11:43:15,130 INFO L226 Difference]: Without dead ends: 32 [2022-11-16 11:43:15,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 124.3s TimeCoverageRelationStatistics Valid=205, Invalid=660, Unknown=5, NotChecked=0, Total=870 [2022-11-16 11:43:15,132 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 50 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:15,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 43 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 96 Unchecked, 1.1s Time] [2022-11-16 11:43:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-16 11:43:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2022-11-16 11:43:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-11-16 11:43:15,142 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 26 [2022-11-16 11:43:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:15,142 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2022-11-16 11:43:15,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-11-16 11:43:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 11:43:15,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:15,144 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 1, 1, 1, 1] [2022-11-16 11:43:15,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:43:15,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:43:15,347 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:15,348 INFO L85 PathProgramCache]: Analyzing trace with hash 637038473, now seen corresponding path program 8 times [2022-11-16 11:43:15,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:43:15,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022902487] [2022-11-16 11:43:15,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:43:15,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:43:15,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:43:15,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:43:15,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-16 11:43:20,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:43:20,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:43:20,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 14079 conjuncts, 425 conjunts are in the unsatisfiable core [2022-11-16 11:43:20,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:43:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:28,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:43:49,337 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 484 DAG size of output: 312 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:46:53,357 WARN L233 SmtUtils]: Spent 1.73m on a formula simplification. DAG size of input: 963 DAG size of output: 371 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:47:30,871 WARN L233 SmtUtils]: Spent 12.66s on a formula simplification. DAG size of input: 888 DAG size of output: 494 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:49:25,316 WARN L233 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 1027 DAG size of output: 358 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:50:02,139 WARN L233 SmtUtils]: Spent 16.36s on a formula simplification. DAG size of input: 769 DAG size of output: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:50:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:50:02,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:50:02,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022902487] [2022-11-16 11:50:02,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022902487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:50:02,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:50:02,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2022-11-16 11:50:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961131279] [2022-11-16 11:50:02,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:50:02,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-16 11:50:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:50:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-16 11:50:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=361, Unknown=8, NotChecked=0, Total=462 [2022-11-16 11:50:02,552 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 22 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:50:08,562 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2022-11-16 11:50:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 11:50:08,564 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 22 states have internal predecessors, (56), 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 29 [2022-11-16 11:50:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:50:08,565 INFO L225 Difference]: With dead ends: 35 [2022-11-16 11:50:08,565 INFO L226 Difference]: Without dead ends: 33 [2022-11-16 11:50:08,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 267.0s TimeCoverageRelationStatistics Valid=447, Invalid=1351, Unknown=8, NotChecked=0, Total=1806 [2022-11-16 11:50:08,567 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:50:08,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 47 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 65 Unchecked, 1.2s Time] [2022-11-16 11:50:08,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-16 11:50:08,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-16 11:50:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-11-16 11:50:08,583 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 29 [2022-11-16 11:50:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:50:08,584 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2022-11-16 11:50:08,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 22 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-11-16 11:50:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:50:08,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:50:08,586 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 1, 1, 1, 1] [2022-11-16 11:50:08,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:50:08,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:50:08,791 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:50:08,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:08,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1442555293, now seen corresponding path program 9 times [2022-11-16 11:50:08,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:50:08,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638210377] [2022-11-16 11:50:08,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:50:08,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:50:08,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:50:08,805 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:50:08,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-16 11:50:18,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-11-16 11:50:18,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:50:18,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 15802 conjuncts, 907 conjunts are in the unsatisfiable core [2022-11-16 11:50:18,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:50:29,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:50:29,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638210377] [2022-11-16 11:50:29,244 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 11:50:29,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:50:29,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:50:29,446 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 11:50:29,449 INFO L158 Benchmark]: Toolchain (without parser) took 681586.63ms. Allocated memory was 75.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 56.0MB in the beginning and 591.8MB in the end (delta: -535.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 11:50:29,450 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:29,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1137.41ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 35.1MB in the end (delta: 20.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-16 11:50:29,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 251.10ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 35.1MB in the beginning and 69.7MB in the end (delta: -34.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-16 11:50:29,451 INFO L158 Benchmark]: Boogie Preprocessor took 179.09ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 60.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:50:29,451 INFO L158 Benchmark]: RCFGBuilder took 4629.31ms. Allocated memory was 109.1MB in the beginning and 199.2MB in the end (delta: 90.2MB). Free memory was 60.2MB in the beginning and 90.9MB in the end (delta: -30.7MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:29,452 INFO L158 Benchmark]: TraceAbstraction took 675379.90ms. Allocated memory was 199.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 89.9MB in the beginning and 591.8MB in the end (delta: -502.0MB). Peak memory consumption was 917.2MB. Max. memory is 16.1GB. [2022-11-16 11:50:29,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1137.41ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 35.1MB in the end (delta: 20.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 251.10ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 35.1MB in the beginning and 69.7MB in the end (delta: -34.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.09ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 60.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4629.31ms. Allocated memory was 109.1MB in the beginning and 199.2MB in the end (delta: 90.2MB). Free memory was 60.2MB in the beginning and 90.9MB in the end (delta: -30.7MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. * TraceAbstraction took 675379.90ms. Allocated memory was 199.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 89.9MB in the beginning and 591.8MB in the end (delta: -502.0MB). Peak memory consumption was 917.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 11:50:29,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22afd5a0-0c8c-4463-85e8-089c9be898bc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop